diff --git a/docker-compose.yaml b/docker-compose.yaml
index 08423f7..f4d5477 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -19,8 +19,6 @@ services:
       - POSTGRES_USER=postgres
       - POSTGRES_PASSWORD=postgres
       - POSTGRES_DB=schools
-    ports:
-      - '5004:5432'
     networks:
       - docker_network
     volumes:
diff --git a/src/main/kotlin/io/github/wulkanowy/schools/DatabaseFactory.kt b/src/main/kotlin/io/github/wulkanowy/schools/DatabaseFactory.kt
index 05267a1..7e1cb26 100644
--- a/src/main/kotlin/io/github/wulkanowy/schools/DatabaseFactory.kt
+++ b/src/main/kotlin/io/github/wulkanowy/schools/DatabaseFactory.kt
@@ -11,7 +11,7 @@ object DatabaseFactory {
     fun init() {
         val host = System.getenv("DB_HOST") ?: "localhost"
         val database = Database.connect(
-            url = "jdbc:pgsql://$host:5004/schools",
+            url = "jdbc:pgsql://$host:5432/schools",
             driver = "com.impossibl.postgres.jdbc.PGDriver",
             user = "postgres",
             password = "postgres",