diff --git a/servers/GroupsServer/GroupsServer.py b/servers/GroupsServer/GroupsServer.py
index f31c9d15..57bf066d 100755
--- a/servers/GroupsServer/GroupsServer.py
+++ b/servers/GroupsServer/GroupsServer.py
@@ -119,7 +119,7 @@ class GroupsServer(commonGroups.GroupsCommonMixin, objects.ObjectsServer):
 
         virtualServerId = context.getVar('applicationId')
         virtualServer = self.getVirtualServer(virtualServerId)
-        if not self.isAdmin():
+        if not self.canModifyObject(objectId):
             clientToken = context.getVar('clientToken')
             clientId = getApplicationId(clientToken)
             clientRole = commonTools.extractRole(clientId)
@@ -152,7 +152,7 @@ class GroupsServer(commonGroups.GroupsCommonMixin, objects.ObjectsServer):
         
         virtualServerId = context.getVar('applicationId')
         virtualServer = self.getVirtualServer(virtualServerId)
-        if not self.isAdmin():
+        if not self.canModifyObject(objectId):
             clientToken = context.getVar('clientToken')
             clientId = getApplicationId(clientToken)
             clientRole = commonTools.extractRole(clientId)