diff --git a/contents.json b/contents.json
index dc6769db..2e3011f0 100644
--- a/contents.json
+++ b/contents.json
@@ -12351,7 +12351,7 @@
       "screenshots": [
         "https://koenig-media.raywenderlich.com/uploads/2016/08/RoadCyclingChatThread.jpg"
       ],
-      "source": "https://www.raywenderlich.com/194091/firebase-tutorial-real-time-chat-3",
+      "source": "https://www.raywenderlich.com/redirect?uri=rw://koenig/post/194091",
       "license": "other",
       "date_added": "Nov 11 2016",
       "suggested_by": "@dkhamsing"