diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 93f417a..e40ba44 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,61 +1,65 @@
 # This file is managed via modulesync
 # https://github.com/voxpupuli/modulesync
 # https://github.com/voxpupuli/modulesync_config
 RSpec.configure do |c|
   c.mock_with :rspec
 end
 
 require 'puppetlabs_spec_helper/module_spec_helper'
 require 'rspec-puppet-facts'
 require 'bundler'
 include RspecPuppetFacts
 
 if ENV['DEBUG']
   Puppet::Util::Log.level = :debug
   Puppet::Util::Log.newdestination(:console)
 end
 
 if File.exist?(File.join(__dir__, 'default_module_facts.yml'))
   facts = YAML.load(File.read(File.join(__dir__, 'default_module_facts.yml')))
   if facts
     facts.each do |name, value|
       add_custom_fact name.to_sym, value
     end
   end
 end
 
 if Dir.exist?(File.expand_path('../../lib', __FILE__))
   require 'coveralls'
   require 'simplecov'
   require 'simplecov-console'
   SimpleCov.formatters = [
     SimpleCov::Formatter::HTMLFormatter,
     SimpleCov::Formatter::Console
   ]
   SimpleCov.start do
     track_files 'lib/**/*.rb'
     add_filter '/spec'
     add_filter '/vendor'
     add_filter '/.vendor'
     add_filter Bundler.configured_bundle_path.path
   end
 end
 
 RSpec.configure do |c|
   # getting the correct facter version is tricky. We use facterdb as a source to mock facts
   # see https://github.com/camptocamp/facterdb
   # people might provide a specific facter version. In that case we use it.
   # Otherwise we need to match the correct facter version to the used puppet version.
   # as of 2019-10-31, puppet 5 ships facter 3.11 and puppet 6 ships facter 3.14
   # https://puppet.com/docs/puppet/5.5/about_agent.html
+  #
+  # The environment variable `PUPPET_VERSION` is available in our travis environment, but we cannot rely on it
+  # if somebody runs the tests locally. For that case we should fallback the the puppet gem version
   c.default_facter_version = if ENV['FACTERDB_FACTS_VERSION']
                                ENV['FACTERDB_FACTS_VERSION']
                              else
-                               Gem::Dependency.new('', ENV['PUPPET_VERSION']).match?('', '5') ? '3.11.0' : '3.14.0'
+                               puppet_version = ENV['PUPPET_VERSION'] ? ENV['PUPPET_VERSION'] : Gem.loaded_specs['puppet'].version.to_s
+                               Gem::Dependency.new('', puppet_version).match?('', '5') ? '3.11.0' : '3.14.0'
                              end
 
   # Coverage generation
   c.after(:suite) do
     RSpec::Puppet::Coverage.report!
   end
 end