diff --git a/process/Date_lib/process.js b/process/Date_lib/process.js
index 17211f90c49d785958443411232f61c1cebf359c..273d18b40915c0d0d8c861db68b9d32b60e278c1 100644
--- a/process/Date_lib/process.js
+++ b/process/Date_lib/process.js
@@ -20,7 +20,8 @@ function DateUtils() {}
 DateUtils.validateBeginnBeforeEnd = function(pStart, pEnd) {
     if (!pStart || !pEnd) 
         return true;
-    return pStart <= pEnd;
+    
+    return parseInt(pStart) <= parseInt(pEnd);
 }
 
 DateUtils.getValidationFailString = function() {