diff --git a/avm/ptn/mgmt-groups/subscription-placement/tests/e2e/defaults/main.test.bicep b/avm/ptn/mgmt-groups/subscription-placement/tests/e2e/defaults/main.test.bicep
index c32188c015..3ba39aeda8 100644
--- a/avm/ptn/mgmt-groups/subscription-placement/tests/e2e/defaults/main.test.bicep
+++ b/avm/ptn/mgmt-groups/subscription-placement/tests/e2e/defaults/main.test.bicep
@@ -17,8 +17,6 @@ param rootManagementGroupResourceId string = ''
 @secure()
 param subscriptionBillingScope string = ''
 
-var managementGroupId = dependencies.outputs.managementGroupId
-
 // =============== //
 //   Dependencies  //
 // =============== //
@@ -41,7 +39,7 @@ module testDeployment '../../../main.bicep' = {
   params: {
     parSubscriptionPlacement: [
       {
-        managementGroupId: dependencies.outputs.managementGroupId
+        managementGroupId: dependencies.outputs.managementGroupDisplayName
         subscriptionIds: [
           dependencies.outputs.subVendingSubscriptionId
         ]