diff --git a/docker-compose.yaml b/docker-compose.yaml
index 240dbdc5..5c63a3f1 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -13,7 +13,7 @@ services:
     expose:
       - "50051"
     environment:
-      - DB_DSN=root:${DB_ROOT_PASSWORD}@tcp(db:${DB_PORT:-3306})/${DB_NAME}?charset=utf8mb4&parseTime=True&loc=Local
+      - DB_DSN=root:${DB_ROOT_PASSWORD}@tcp(db:3306)/${DB_NAME}?charset=utf8mb4&parseTime=True&loc=Local
       - ENVIRONMENT=${ENVIRONMENT:-dev}
       - DB_NAME=${DB_NAME}
       - SENTRY_DSN=${SENTRY_DSN}
@@ -36,7 +36,7 @@ services:
     image: bitnami/mariadb:latest
     restart: unless-stopped
     expose:
-      - "${DB_PORT:-3306}"
+      - 3306
     environment:
       - MARIADB_ROOT_PASSWORD=${DB_ROOT_PASSWORD}
       - MARIADB_DATABASE=${DB_NAME}