diff --git a/rake/rake_tasks.rb b/rake/rake_tasks.rb
index 219e7c5..908c11a 100644
--- a/rake/rake_tasks.rb
+++ b/rake/rake_tasks.rb
@@ -1,50 +1,50 @@
 #############################################################################
 # Some module specific rake tasks.
 #############################################################################
 require_relative 'tasks/acceptance'
 require_relative 'tasks/deploy'
 
 task default: ['test']
 
 # Validate that we are running on a valide CircleCI branch.  Exit false
 # if we do not seem to be on a CircleCI build at all or if the branch
 # name does not match a provided pattern.
 def validate_branch(valid_branch_pattern)
   branch_name = ENV['CIRCLE_BRANCH']
 
   unless branch_name
     puts 'CIRCLE_BRANCH is not set.'
     return false
   end
 
   unless branch_name =~ valid_branch_pattern
     puts "Branch #{branch_name} is not suitable for this operation."
     return false
   end
 
   true
 end
 
 desc '[CI Only] Tag, build and push the module to PuppetForge.'
 task :deploy do
-  abort('Only deploy from master.') unless validate_branch(/^master-/)
+  abort('Only deploy from master.') unless validate_branch(/^master$/)
 
   # Find out what the local version of the module is.
   file = File.read('metadata.json')
   data_hash = JSON.parse(file)
   local_version = data_hash['version']
   abort('Unable to find local module version.') unless local_version
   puts "Module version (local): #{local_version}"
 
   Rake::Task['deploy:tag'].invoke(local_version)
   Rake::Task['deploy:forge'].invoke(local_version)
 end
 
 desc 'Run metadata_lint, rubocop, lint, validate and spec.'
 task test: [
   :metadata_lint,
   :rubocop,
   :lint,
   :validate,
   :spec
 ]