diff --git a/quickstart/201-aks-acr-identity/acr.tf b/quickstart/201-aks-acr-identity/acr.tf
index d5a750c9..6fa1185c 100644
--- a/quickstart/201-aks-acr-identity/acr.tf
+++ b/quickstart/201-aks-acr-identity/acr.tf
@@ -1,10 +1,10 @@
 locals {
-  acr_name = "${replace(var.dns_prefix, "-", "")}${replace(var.name, "-", "")}acr"
+  acr_name = "${replace(var.dns_prefix, "-", "")}${replace(random_pet.rg.id, "-", "")}acr"
 }
 resource "azurerm_container_registry" "default" {
-  name                     = local.acr_name
-  resource_group_name      = azurerm_resource_group.default.name
-  location                 = azurerm_resource_group.default.location
-  sku                      = "Standard"
-  admin_enabled            = false
-}
\ No newline at end of file
+  name                = local.acr_name
+  resource_group_name = azurerm_resource_group.default.name
+  location            = azurerm_resource_group.default.location
+  sku                 = "Standard"
+  admin_enabled       = false
+}