diff --git a/lib/app/client.js b/lib/app/client.js
index 2cc5e637d7..f3b23f4daf 100644
--- a/lib/app/client.js
+++ b/lib/app/client.js
@@ -72,7 +72,7 @@ function componentOption(component, key, ...args) {
 
 function mapTransitions(Components, to, from) {
   const componentTransitions = component => {
-    const transition = componentOption(component, 'transition', to, from)
+    const transition = componentOption(component, 'transition', to, from) || {}
     return (typeof transition === 'string' ? { name: transition } : transition)
   }