diff --git a/docker-compose.yaml b/docker-compose.yaml
index 2653eb0..abd47f4 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -30,7 +30,7 @@ x-app: &default-app
 services:
 
   php:
-    <<: [, *default-app]
+    <<: [*default-app]
     build:
       context: .
       target: build