diff --git a/bower.json b/bower.json
index dc45676..cbfdc16 100644
--- a/bower.json
+++ b/bower.json
@@ -2,7 +2,7 @@
   "name": "fullcalendar",
   "version": "2.0.0-beta2",
   "devDependencies": {
-    "moment": "2.5.1",
+    "moment": "2.6.0",
     "jquery": "~1.10.2",
     "jquery-ui": "~1.10.3",
     "jquery-simulate": "*",
diff --git a/src/moment-ext.js b/src/moment-ext.js
index f6d76fb..156bfd6 100644
--- a/src/moment-ext.js
+++ b/src/moment-ext.js
@@ -39,6 +39,7 @@ function makeMoment(args, parseUTC, parseZone) {
 		if (ambigDateOfMonthRegex.test(input)) {
 			// accept strings like '2014-05', but convert to the first of the month
 			input += '-01';
+			args = [ input ]; // for when pass it on to moment's constructor
 			isAmbigTime = true;
 			isAmbigZone = true;
 		}
diff --git a/tests/automated/event-obj.js b/tests/automated/event-obj.js
index 67c2eb5..7715aef 100644
--- a/tests/automated/event-obj.js
+++ b/tests/automated/event-obj.js
@@ -35,14 +35,14 @@ describe('event object creation', function() {
 
 	it('doesn\'t produce an event when an invalid start', function() {
 		init({
-			start: 'asdf'
+			start: new Date('asdf') // we use Date constructor to avoid annoying momentjs warning
 		});
 		expect(event).toBeUndefined();
 	});
 
 	it('doesn\'t produce an event when an invalid end', function() {
 		init({
-			end: 'asdf'
+			end: new Date('asdf') // we use Date constructor to avoid annoying momentjs warning
 		});
 		expect(event).toBeUndefined();
 	});