diff --git a/Libraries/CustomComponents/Navigator/Navigator.js b/Libraries/CustomComponents/Navigator/Navigator.js
index 7b7bf1ae6..bc5d65791 100644
--- a/Libraries/CustomComponents/Navigator/Navigator.js
+++ b/Libraries/CustomComponents/Navigator/Navigator.js
@@ -1002,7 +1002,8 @@ var Navigator = React.createClass({
   },
 
   getCurrentRoutes: function() {
-    return this.state.routeStack;
+    // Clone before returning to avoid caller mutating the stack
+    return this.state.routeStack.slice();
   },
 
   _handleItemRef: function(itemId, route, ref) {