diff --git a/template.json b/template.json
index 65c8d7c..54d8382 100644
--- a/template.json
+++ b/template.json
@@ -59,7 +59,7 @@
         "location": "[resourceGroup().location]",
         "resourceGroupName": "[resourceGroup().name]",
         "resourceGroupId": "[resourceGroup().id]",
-        "roleAssignmentId": "[guid(subscription().subscriptionId)]",
+        "roleAssignmentId": "[guid(uniqueString( resourceGroup().id, deployment().name ))]",
         "subscriptionId": "[split(subscription().id, '/')[2]]",
         "tenantId": "[subscription().tenantId]",
         "contributor": "[concat('/subscriptions/', subscription().subscriptionId, '/providers/Microsoft.Authorization/roleDefinitions/', 'b24988ac-6180-42a0-ab88-20f7382dd24c')]"