diff --git a/blueprints/data-solutions/data-platform-minimal/outputs.tf b/blueprints/data-solutions/data-platform-minimal/outputs.tf
index 7496be41..b02bffe4 100644
--- a/blueprints/data-solutions/data-platform-minimal/outputs.tf
+++ b/blueprints/data-solutions/data-platform-minimal/outputs.tf
@@ -26,7 +26,7 @@ output "composer" {
   description = "Composer variables."
   value = {
     air_flow_uri = try(google_composer_environment.processing-cmp-0[0].config.0.airflow_uri, null)
-    dag_bucket   = try(google_composer_environment.processing-cmp-0[0].config[0].dag_gcs_prefix, null)
+    dag_bucket   = try(regex("^gs://([^/]*)/dags$", google_composer_environment.processing-cmp-0[0].config[0].dag_gcs_prefix)[0], null)
   }
 }