diff --git a/test/resolve.test.ts b/test/resolve.test.ts
index 620cb53..5830efd 100644
--- a/test/resolve.test.ts
+++ b/test/resolve.test.ts
@@ -338,7 +338,7 @@ environments:
     applications:
       core:
         source: { repo: acme/widget, branch: main }
-        build: { pack: dockercompose, base_directory: /, compose_file: docker-compose.yaml }
+        build: { pack: dockercompose, base_directory: /, compose_file: /docker-compose.yaml }
         service_domains:
           api: ["https://api.widget.example.com"]
 `,