diff --git a/openstack_dashboard/api/rest/heat.py b/openstack_dashboard/api/rest/heat.py
index <HASH>..<HASH> 100644
--- a/openstack_dashboard/api/rest/heat.py
+++ b/openstack_dashboard/api/rest/heat.py
@@ -25,7 +25,7 @@ class Validate(generic.View):
     """
     url_regex = r'heat/validate/$'
 
-    @rest_utils.ajax()
+    @rest_utils.ajax(data_required=True)
     def post(self, request):
         """Validate a template
Add "data_required=True" check into heat rest api

To validate heat templates it need pass parameters.
Add this check into rest/heat.py to discover error as early as possible

Change-Id: I<I>f<I>d<I>b<I>a<I>f3a<I>dcf2d