diff --git a/docker-compose.yml b/docker-compose.yml
index 5244053..d566e0f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,9 +6,9 @@ services:
     depends_on:
       - db
     environment:
-      - "TZ"
-      - "POSTGRES_HOST=db"
-      - "POSTGRES_PORT=5432"
+      - TZ=Europe/Zurich
+      - POSTGRES_HOST=db
+      - POSTGRES_PORT=5432
       - POSTGRES_DB=${DC_SPLIIT_DB:-spliit}
       - POSTGRES_USER=${DC_SPLIIT_USER:-spliit}
       - POSTGRES_PASSWORD=${DC_SPLIIT_PASS:?}