diff --git a/_plugins/tag_generator.rb b/_plugins/tag_generator.rb
index c3a69fc..a948949 100644
--- a/_plugins/tag_generator.rb
+++ b/_plugins/tag_generator.rb
@@ -2,7 +2,7 @@ module Jekyll
     class TagGenerator < Generator
         def generate(site)
             # Exit if not in production mode
-            # return unless ENV['JEKYLL_ENV'] == 'production'
+            return unless ENV['JEKYLL_ENV'] == 'production'
 
             tags = {}
 
@@ -31,4 +31,4 @@ def generate(site)
             end
         end
     end
-end
\ No newline at end of file
+end