diff --git a/upup/pkg/fi/cloudup/utils.go b/upup/pkg/fi/cloudup/utils.go
index 6655b7ea44..94a7e626ce 100644
--- a/upup/pkg/fi/cloudup/utils.go
+++ b/upup/pkg/fi/cloudup/utils.go
@@ -162,7 +162,7 @@ func BuildCloud(cluster *kops.Cluster) (fi.Cloud, error) {
 			}
 
 			subscriptionID := cluster.Spec.CloudProvider.Azure.SubscriptionID
-			resourceGroupName := cluster.Spec.CloudProvider.Azure.ResourceGroupName
+			resourceGroupName := cluster.AzureResourceGroupName()
 			azureCloud, err := azure.NewAzureCloud(subscriptionID, resourceGroupName, region, cloudTags)
 			if err != nil {
 				return nil, err