diff --git a/ldvspec/docker/docker-compose-postgres-dev.yml b/ldvspec/docker/docker-compose-postgres-dev.yml
index c8a3fa547ae2a4a5de08c6b3c091d9a2a413aa95..3ccc64915ec31adf4457150512ad192ca56fcc96 100644
--- a/ldvspec/docker/docker-compose-postgres-dev.yml
+++ b/ldvspec/docker/docker-compose-postgres-dev.yml
@@ -5,9 +5,9 @@ services:
     image: postgres:14
     container_name: ldv-spec-postgres
     expose:
-      - 5433
+      - "5433"
     ports:
-      - 5433:5432
+      - "5433:5432"
     env_file:
       - $HOME/shared/ldvspec.env
     environment: