diff --git a/azure_jumpstart_arcbox/bicep/kubernetes/ubuntuRancher.bicep b/azure_jumpstart_arcbox/bicep/kubernetes/ubuntuRancher.bicep
index f93e23b883..6ede81154e 100644
--- a/azure_jumpstart_arcbox/bicep/kubernetes/ubuntuRancher.bicep
+++ b/azure_jumpstart_arcbox/bicep/kubernetes/ubuntuRancher.bicep
@@ -149,6 +149,7 @@ resource vmRoleAssignment_Owner 'Microsoft.Authorization/roleAssignments@2022-04
   properties: {
     principalId: vm.identity.principalId
     roleDefinitionId: resourceId('Microsoft.Authorization/roleDefinitions', '8e3af657-a8ff-443c-a75c-2fe8c4bcb635')
+    principalType: 'ServicePrincipal'
   }
 }
 
diff --git a/azure_jumpstart_arcbox/bicep/kubernetes/ubuntuRancherNodes.bicep b/azure_jumpstart_arcbox/bicep/kubernetes/ubuntuRancherNodes.bicep
index 1fdbeb3d47..8ce99236b8 100644
--- a/azure_jumpstart_arcbox/bicep/kubernetes/ubuntuRancherNodes.bicep
+++ b/azure_jumpstart_arcbox/bicep/kubernetes/ubuntuRancherNodes.bicep
@@ -127,6 +127,7 @@ resource vmRoleAssignment_Owner 'Microsoft.Authorization/roleAssignments@2022-04
   properties: {
     principalId: vm.identity.principalId
     roleDefinitionId: resourceId('Microsoft.Authorization/roleDefinitions', '8e3af657-a8ff-443c-a75c-2fe8c4bcb635')
+    principalType: 'ServicePrincipal'
   }
 }