diff --git a/lib/puppet/functions/docker_params_changed.rb b/lib/puppet/functions/docker_params_changed.rb
index 9cb8c36..bcd4b12 100644
--- a/lib/puppet/functions/docker_params_changed.rb
+++ b/lib/puppet/functions/docker_params_changed.rb
@@ -1,157 +1,157 @@
 # frozen_string_literal: true
 
 Puppet::Functions.create_function(:docker_params_changed) do
   dispatch :detect_changes do
     param 'Hash', :opts
     return_type 'String'
   end
 
   def run_with_powershell(cmd)
     "powershell.exe -Command \"& {#{cmd}}\" "
   end
 
   def remove_cidfile(cidfile, osfamily)
     delete_command = if osfamily == 'windows'
                        run_with_powershell("del #{cidfile}")
                      else
                        "rm -f #{cidfile}"
                      end
     _stdout, _stderr, _status = Open3.capture3(delete_command)
   end
 
   def start_container(name, osfamily)
     start_command = if osfamily == 'windows'
                       run_with_powershell("docker start #{name}")
                     else
                       "docker start #{name}"
                     end
     _stdout, _stderr, _status = Open3.capture3(start_command)
   end
 
   def stop_container(name, osfamily)
     stop_command = if osfamily == 'windows'
                      run_with_powershell("docker stop #{name}")
                    else
                      "docker stop #{name}"
                    end
     _stdout, _stderr, _status = Open3.capture3(stop_command)
   end
 
   def remove_container(name, osfamily, stop_wait_time, cidfile)
     stop_command = if osfamily == 'windows'
                      run_with_powershell("docker stop --time=#{stop_wait_time} #{name}")
                    else
                      "docker stop --time=#{stop_wait_time} #{name}"
                    end
     _stdout, _stderr, _status = Open3.capture3(stop_command)
 
     remove_command = if osfamily == 'windows'
                        run_with_powershell("docker rm -v #{name}")
                      else
                        "docker rm -v #{name}"
                      end
     _stdout, _stderr, _status = Open3.capture3(remove_command)
 
     remove_cidfile(cidfile, osfamily)
   end
 
   def create_container(cmd, osfamily, image)
     pull_command = if osfamily == 'windows'
                      run_with_powershell("docker pull #{image} -q")
                    else
                      "docker pull #{image} -q"
                    end
     _stdout, _stderr, _status = Open3.capture3(pull_command)
 
     create_command = if osfamily == 'windows'
                        run_with_powershell(cmd)
                      else
                        cmd
                      end
     _stdout, _stderr, _status = Open3.capture3(create_command)
   end
 
   def detect_changes(opts)
     require 'open3'
     require 'json'
     return_value = 'No changes detected'
 
     if opts['sanitised_title'] && opts['osfamily']
-      stdout, stderr, status = Open3.capture3("docker inspect #{opts['sanitised_title']}")
-      if stderr.to_s == '' && status.to_s.include?('exit 0')
+      stdout, _stderr, status = Open3.capture3("docker inspect #{opts['sanitised_title']}")
+      if status.to_s.include?('exit 0')
         param_changed = false
         inspect_hash = JSON.parse(stdout)[0]
 
         # check if the image was changed
         param_changed = true if opts['image'] && opts['image'] != inspect_hash['Config']['Image']
 
         # check if something on volumes or mounts was changed(a new volume/mount was added or removed)
         param_changed = true if opts['volumes'].is_a?(String) && opts['volumes'].include?(':') && opts['volumes'] != inspect_hash['Mounts'].to_a[0] && opts['osfamily'] != 'windows'
         param_changed = true if opts['volumes'].is_a?(String) && !opts['volumes'].include?(':') && opts['volumes'] != inspect_hash['Config']['Volumes'].to_a[0] && opts['osfamily'] != 'windows'
         param_changed = true if opts['volumes'].is_a?(String) && opts['volumes'].scan(%r{(?=:)}).count == 2 && opts['volumes'] != inspect_hash['Mounts'].to_a[0] && opts['osfamily'] == 'windows'
         param_changed = if opts['volumes'].is_a?(String) && opts['volumes'].scan(%r{(?=:)}).count == 1 && opts['volumes'] != inspect_hash['Config']['Volumes'].to_a[0] && opts['osfamily'] == 'windows'
                           true
                         else
                           param_changed
                         end
 
         pp_paths = opts['volumes'].reject { |item| item.include?(':') } if opts['volumes'].is_a?(Array) && opts['osfamily'] != 'windows'
         pp_mounts = opts['volumes'].select { |item| item.include?(':') } if opts['volumes'].is_a?(Array) && opts['osfamily'] != 'windows'
         pp_paths = opts['volumes'].select { |item| item.scan(%r{(?=:)}).count == 1 } if opts['volumes'].is_a?(Array) && opts['osfamily'] == 'windows'
         pp_mounts = opts['volumes'].select { |item| item.scan(%r{(?=:)}).count == 2 } if opts['volumes'].is_a?(Array) && opts['osfamily'] == 'windows'
 
         inspect_paths = if inspect_hash['Config']['Volumes']
                           inspect_hash['Config']['Volumes'].keys
                         else
                           []
                         end
         param_changed = true if pp_paths != inspect_paths
 
         names = inspect_hash['Mounts'].map { |item| item.values[1] } if inspect_hash['Mounts']
         pp_names = pp_mounts.map { |item| item.split(':')[0] } if pp_mounts
         names = names.select { |item| pp_names.include?(item) } if names && pp_names
         destinations = inspect_hash['Mounts'].map { |item| item.values[3] } if inspect_hash['Mounts']
         pp_destinations = pp_mounts.map { |item| item.split(':')[1] } if pp_mounts && opts['osfamily'] != 'windows'
         pp_destinations = pp_mounts.map { |item| "#{item.split(':')[1].downcase}:#{item.split(':')[2]}" } if pp_mounts && opts['osfamily'] == 'windows'
         destinations = destinations.select { |item| pp_destinations.include?(item) } if destinations && pp_destinations
 
         param_changed = true if pp_names != names
         param_changed = true if pp_destinations != destinations
         param_changed = true if pp_mounts != [] && inspect_hash['Mounts'].nil?
 
         # check if something on ports was changed(some ports were added or removed)
 
         ports = inspect_hash['HostConfig']['PortBindings'].keys
         ports = ports.map { |item| item.split('/')[0] }
         pp_ports = opts['ports'].sort if opts['ports'].is_a?(Array)
         pp_ports = [opts['ports']] if opts['ports'].is_a?(String)
 
         param_changed = true if pp_ports && pp_ports != ports
 
         if param_changed
           remove_container(opts['sanitised_title'], opts['osfamily'], opts['stop_wait_time'], opts['cidfile'])
           create_container(opts['command'], opts['osfamily'], opts['image'])
           return_value = 'Param changed'
         end
       else
         create_container(opts['command'], opts['osfamily'], opts['image']) unless File.exist?(opts['cidfile'])
         _stdout, _stderr, status = Open3.capture3("docker inspect #{opts['sanitised_title']}")
         unless status.to_s.include?('exit 0')
           remove_cidfile(opts['cidfile'], opts['osfamily'])
           create_container(opts['command'], opts['osfamily'], opts['image'])
         end
         return_value = 'No changes detected'
       end
     else
       return_value = 'Arg required missing'
     end
 
     if opts['container_running']
       start_container(opts['sanitised_title'], opts['osfamily'])
     else
       stop_container(opts['sanitised_title'], opts['osfamily'])
     end
 
     return_value
   end
 end
diff --git a/spec/helper/get_docker_params_changed.rb b/spec/helper/get_docker_params_changed.rb
index 7df24db..980ec27 100644
--- a/spec/helper/get_docker_params_changed.rb
+++ b/spec/helper/get_docker_params_changed.rb
@@ -1,150 +1,150 @@
 # frozen_string_literal: true
 
 def get_docker_params_changed(opts)
   require 'open3'
   require 'json'
   return_value = 'No changes detected'
 
   if opts['sanitised_title'] && opts['osfamily']
-    stdout, stderr, status = Open3.capture3("docker inspect #{opts['sanitised_title']}")
-    if stderr.to_s == '' && status.to_s.include?('exit 0')
+    stdout, _stderr, status = Open3.capture3("docker inspect #{opts['sanitised_title']}")
+    if status.to_s.include?('exit 0')
       param_changed = false
       inspect_hash = JSON.parse(stdout)[0]
 
       # check if the image was changed
       param_changed = true if opts['image'] && opts['image'] != inspect_hash['Config']['Image']
 
       # check if something on volumes or mounts was changed(a new volume/mount was added or removed)
       param_changed = true if opts['volumes'].is_a?(String) && opts['volumes'].include?(':') && opts['volumes'] != inspect_hash['Mounts'].to_a[0] && opts['osfamily'] != 'windows'
       param_changed = true if opts['volumes'].is_a?(String) && !opts['volumes'].include?(':') && opts['volumes'] != inspect_hash['Config']['Volumes'].to_a[0] && opts['osfamily'] != 'windows'
       param_changed = true if opts['volumes'].is_a?(String) && opts['volumes'].scan(%r{(?=:)}).count == 2 && opts['volumes'] != inspect_hash['Mounts'].to_a[0] && opts['osfamily'] == 'windows'
       param_changed = if opts['volumes'].is_a?(String) && opts['volumes'].scan(%r{(?=:)}).count == 1 && opts['volumes'] != inspect_hash['Config']['Volumes'].to_a[0] && opts['osfamily'] == 'windows'
                         true
                       else
                         param_changed
                       end
 
       pp_paths = opts['volumes'].reject { |item| item.include?(':') } if opts['volumes'].is_a?(Array) && opts['osfamily'] != 'windows'
       pp_mounts = opts['volumes'].select { |item| item.include?(':') } if opts['volumes'].is_a?(Array) && opts['osfamily'] != 'windows'
       pp_paths = opts['volumes'].select { |item| item.scan(%r{(?=:)}).count == 1 } if opts['volumes'].is_a?(Array) && opts['osfamily'] == 'windows'
       pp_mounts = opts['volumes'].select { |item| item.scan(%r{(?=:)}).count == 2 } if opts['volumes'].is_a?(Array) && opts['osfamily'] == 'windows'
 
       inspect_paths = if inspect_hash['Config']['Volumes']
                         inspect_hash['Config']['Volumes'].keys
                       else
                         []
                       end
       param_changed = true if pp_paths != inspect_paths
 
       names = inspect_hash['Mounts'].map { |item| item.values[1] } if inspect_hash['Mounts']
       pp_names = pp_mounts.map { |item| item.split(':')[0] } if pp_mounts
       names = names.select { |item| pp_names.include?(item) } if names && pp_names
       destinations = inspect_hash['Mounts'].map { |item| item.values[3] } if inspect_hash['Mounts']
       pp_destinations = pp_mounts.map { |item| item.split(':')[1] } if pp_mounts && opts['osfamily'] != 'windows'
       pp_destinations = pp_mounts.map { |item| "#{item.split(':')[1].downcase}:#{item.split(':')[2]}" } if pp_mounts && opts['osfamily'] == 'windows'
       destinations = destinations.select { |item| pp_destinations.include?(item) } if destinations && pp_destinations
 
       param_changed = true if pp_names != names
       param_changed = true if pp_destinations != destinations
       param_changed = true if pp_mounts != [] && inspect_hash['Mounts'].nil?
 
       # check if something on ports was changed(some ports were added or removed)
 
       ports = inspect_hash['HostConfig']['PortBindings'].keys
       ports = ports.map { |item| item.split('/')[0] }
       pp_ports = opts['ports'].sort if opts['ports'].is_a?(Array)
       pp_ports = [opts['ports']] if opts['ports'].is_a?(String)
 
       param_changed = true if pp_ports && pp_ports != ports
 
       if param_changed
         remove_container(opts['sanitised_title'], opts['osfamily'], opts['stop_wait_time'], opts['cidfile'], log)
         create_container(opts['command'], opts['osfamily'], opts['image'], log)
         return_value = 'Param changed'
       end
     else
       create_container(opts['command'], opts['osfamily'], opts['image']) unless File.exist?(opts['cidfile'])
       _stdout, _stderr, status = Open3.capture3("docker inspect #{opts['sanitised_title']}")
       unless status.to_s.include?('exit 0')
         remove_cidfile(opts['cidfile'], opts['osfamily'])
         create_container(opts['command'], opts['osfamily'], opts['image'])
       end
       return_value = 'No changes detected'
     end
   else
     return_value = 'Arg required missing'
   end
 
   if opts['container_running']
     start_container(opts['sanitised_title'], opts['osfamily'])
   else
     stop_container(opts['sanitised_title'], opts['osfamily'])
   end
 
   return_value
 end
 
 def run_with_powershell(cmd)
   "powershell.exe -Command \"& {#{cmd}}\" "
 end
 
 def remove_cidfile(cidfile, osfamily)
   delete_command = if osfamily == 'windows'
                      run_with_powershell("del #{cidfile}")
                    else
                      "rm -f #{cidfile}"
                    end
   _stdout, _stderr, _status = Open3.capture3(delete_command)
 end
 
 def start_container(name, osfamily)
   start_command = if osfamily == 'windows'
                     run_with_powershell("docker start #{name}")
                   else
                     "docker start #{name}"
                   end
   _stdout, _stderr, _status = Open3.capture3(start_command)
 end
 
 def stop_container(name, osfamily)
   stop_command = if osfamily == 'windows'
                    run_with_powershell("docker stop #{name}")
                  else
                    "docker stop #{name}"
                  end
   _stdout, _stderr, _status = Open3.capture3(stop_command)
 end
 
 def remove_container(name, osfamily, stop_wait_time, cidfile)
   stop_command = if osfamily == 'windows'
                    run_with_powershell("docker stop --time=#{stop_wait_time} #{name}")
                  else
                    "docker stop --time=#{stop_wait_time} #{name}"
                  end
   _stdout, _stderr, _status = Open3.capture3(stop_command)
 
   remove_command = if osfamily == 'windows'
                      run_with_powershell("docker rm -v #{name}")
                    else
                      "docker rm -v #{name}"
                    end
   _stdout, _stderr, _status = Open3.capture3(remove_command)
 
   remove_cidfile(cidfile, osfamily)
 end
 
 def create_container(cmd, osfamily, image)
   pull_command = if osfamily == 'windows'
                    run_with_powershell("docker pull #{image} -q")
                  else
                    "docker pull #{image} -q"
                  end
   _stdout, _stderr, _status = Open3.capture3(pull_command)
 
   create_command = if osfamily == 'windows'
                      run_with_powershell(cmd)
                    else
                      cmd
                    end
   _stdout, _stderr, _status = Open3.capture3(create_command)
 end