diff --git a/config/initializers/jira.rb b/config/initializers/jira.rb
index d6b959893f08abc283844edf036788c386a21739..05f784a6a2a1c040277e21a0da0352237332d2ec 100644
--- a/config/initializers/jira.rb
+++ b/config/initializers/jira.rb
@@ -1,3 +1,11 @@
-# Treats JIRA DVCS user agent requests in order to be successfully handled
+# frozen_string_literal: true
+
+# Changes JIRA DVCS user agent requests in order to be successfully handled
 # by our API.
-Rails.application.config.middleware.use(Gitlab::Jira::Middleware)
+#
+# Gitlab::Jira::Middleware is only defined on EE
+#
+# Use safe_constantize because the class may exist but has not been loaded yet
+if "Gitlab::Jira::Middleware".safe_constantize
+  Rails.application.config.middleware.use(Gitlab::Jira::Middleware)
+end