diff --git a/docker-compose.yaml b/docker-compose.yaml
index accad1f2a..8098dca98 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -30,7 +30,7 @@ services:
       MYSQL_PASSWORD: ${DB_PASSWORD}
       MYSQL_DATABASE: ${DB_DATABASE}
     ports:
-      - ${DB_PORT}:${DB_PORT}
+      - ${DB_PORT}:3306
   adminer:
     image: adminer
     restart: unless-stopped