diff --git a/lib/gitlab/markdown.rb b/lib/gitlab/markdown.rb
index 5f1a6c8ceec328cbebd957c0fae2191b6868506b..969607558ef22dadd3b042a0087753d041876a61 100644
--- a/lib/gitlab/markdown.rb
+++ b/lib/gitlab/markdown.rb
@@ -77,7 +77,7 @@ module Gitlab
     def self.full_cache_key(cache_key, pipeline_name)
       return unless cache_key
       pipeline_name ||= :full
-      ["markdown", *cache_key, pipeline]
+      ["markdown", *cache_key, pipeline_name]
     end
 
     def self.pipeline_by_name(pipeline_name)