diff --git a/src/isomorphic/children/ReactChildren.js b/src/isomorphic/children/ReactChildren.js
index 836ac15c5b..e23fca1c75 100644
--- a/src/isomorphic/children/ReactChildren.js
+++ b/src/isomorphic/children/ReactChildren.js
@@ -21,9 +21,9 @@ var twoArgumentPooler = PooledClass.twoArgumentPooler;
 var fourArgumentPooler = PooledClass.fourArgumentPooler;
 
 
-var userProvidedKeyEscapeRegex = /\/(?!\/)/g;
+var userProvidedKeyEscapeRegex = /\/+/g;
 function escapeUserProvidedKey(text) {
-  return ('' + text).replace(userProvidedKeyEscapeRegex, '//');
+  return ('' + text).replace(userProvidedKeyEscapeRegex, '$&/');
 }