Roo/form/MonthField.js

diff --git a/Roo/form/MonthField.js b/Roo/form/MonthField.js
index 13b26d0..ab060e7 100644 (file)
--- a/Roo/form/MonthField.js
+++ b/Roo/form/MonthField.js
@@ -264,7 +264,7 @@ monthField.setValue('2006-5-4');
     // private
     parseDate : function(value){
         if(!value || value instanceof Date){
-            value = value ? Date.parseDate(value.format('Y-m-01')) : null;
+            value = value ? Date.parseDate(value.format('Y-m') + '-01', 'Y-m-d') : null;
             return value;
         }
         var v = Date.parseDate(value, this.format);