diff --git a/lib/potassium/recipes/background_processor.rb b/lib/potassium/recipes/background_processor.rb
index a13cacf9..f0152036 100644
--- a/lib/potassium/recipes/background_processor.rb
+++ b/lib/potassium/recipes/background_processor.rb
@@ -44,7 +44,10 @@ def add_sidekiq
   end
 
   def edit_procfile(cmd)
-    gsub_file("Procfile", /^.*$/m) { |match| "#{match}worker: #{cmd}" } if selected?(:heroku)
+    heroku = load_recipe(:heroku)
+    if selected?(:heroku) || heroku.installed?
+      gsub_file('Procfile', /^.*$/m) { |match| "#{match}worker: #{cmd}" }
+    end
   end
 
   def add_adapters(name)