diff --git a/pica-mail/docker-compose.yml b/pica-mail/docker-compose.yml
index bb08baad83f72393b5c36a6ce06928b07ecb72b6..8f75a9662d2216b9d034fabbd9ac6bfb3a24ce64 100644
--- a/pica-mail/docker-compose.yml
+++ b/pica-mail/docker-compose.yml
@@ -13,8 +13,7 @@ volumes:
 services:
   mail-mda:
     image: registry.picasoft.net/pica-mail-mda
-    build:
-      dockerfile: ./pica-mail-mda/Dockerfile
+    build: ./pica-mail-mda
     container_name: pica-mail-mda
     ports:
       - "143:143"