diff --git a/services/document-updater/test/acceptance/coffee/helpers/MockTrackChangesApi.coffee b/services/document-updater/test/acceptance/coffee/helpers/MockTrackChangesApi.coffee
index 43416e37fc..d6c2e05b3b 100644
--- a/services/document-updater/test/acceptance/coffee/helpers/MockTrackChangesApi.coffee
+++ b/services/document-updater/test/acceptance/coffee/helpers/MockTrackChangesApi.coffee
@@ -13,7 +13,7 @@ module.exports = MockTrackChangesApi =
 				else
 					res.send 204
 
-		app.listen 3014, (error) ->
+		app.listen 3015, (error) ->
 			throw error if error?
 
 MockTrackChangesApi.run()