diff --git a/src/renderers/shared/fiber/ReactFiberUpdateQueue.js b/src/renderers/shared/fiber/ReactFiberUpdateQueue.js
index bb70bec77d2..2afe3b549f7 100644
--- a/src/renderers/shared/fiber/ReactFiberUpdateQueue.js
+++ b/src/renderers/shared/fiber/ReactFiberUpdateQueue.js
@@ -277,7 +277,7 @@ function insertUpdate(fiber : Fiber, update : Update, methodName : string) : Upd
       queue2.first = update;
     }
     if (!insertBefore2) {
-      queue2.last = null;
+      queue2.last = update;
     }
   }