diff --git a/src/route-segment.js b/src/route-segment.js
index 2aed975..5387670 100644
--- a/src/route-segment.js
+++ b/src/route-segment.js
@@ -294,7 +294,7 @@ mod.provider( '$routeSegment',
                             curSegment = null;
                             for (var i in children) {
                                 (function(i, children, index) {
-                                    if (children[i].params.default) {
+                                    if (children[i].params['default']) {
                                         defaultChildUpdatePromise = defaultChildUpdatePromise.then(function () {
                                             return updateSegment(index, {name: i, params: children[i].params})
                                                 .then(function (result) {
@@ -536,4 +536,4 @@ mod.filter('routeSegmentParam', ['$routeSegment', function($routeSegment) {
 }]);
 
 
-})(angular);
\ No newline at end of file
+})(angular);