diff --git a/Libraries/Components/Navigation/NavigatorIOS.ios.js b/Libraries/Components/Navigation/NavigatorIOS.ios.js
index 0743dae67..5b8cad684 100644
--- a/Libraries/Components/Navigation/NavigatorIOS.ios.js
+++ b/Libraries/Components/Navigation/NavigatorIOS.ios.js
@@ -836,6 +836,9 @@ var NavigatorIOS = React.createClass({
   },
 
   _handleNavigationComplete: function(e: Event) {
+    // Don't propagate to other NavigatorIOS instances this is nested in:
+    e.stopPropagation();
+
     if (this._toFocusOnNavigationComplete) {
       this._getFocusEmitter().emit('focus', this._toFocusOnNavigationComplete);
       this._toFocusOnNavigationComplete = null;