diff --git a/docker-compose.yml b/docker-compose.yml
index a84f15f..f7188ae 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -64,9 +64,9 @@ services:
       - POSTGRES_DATABASE=${POSTGRES_DATABASE}
       - POSTGRES_USERNAME=${POSTGRES_USERNAME}
       - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
-      - ENCRYPTION_KEY
-      - WEBHOOK_SECRET_KEY
-      - APP_SECRET_KEY
+      - ENCRYPTION_KEY=${ENCRYPTION_KEY}
+      - WEBHOOK_SECRET_KEY=${WEBHOOK_SECRET_KEY}
+      - APP_SECRET_KEY=${APP_SECRET_KEY}
     volumes:
       - automatisch_storage:/automatisch/storage
   worker:
@@ -83,9 +83,9 @@ services:
       - POSTGRES_DATABASE=${POSTGRES_DATABASE}
       - POSTGRES_USERNAME=${POSTGRES_USERNAME}
       - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
-      - ENCRYPTION_KEY
-      - WEBHOOK_SECRET_KEY
-      - APP_SECRET_KEY
+      - ENCRYPTION_KEY=${ENCRYPTION_KEY}
+      - WEBHOOK_SECRET_KEY=${WEBHOOK_SECRET_KEY}
+      - APP_SECRET_KEY=${APP_SECRET_KEY}
       - WORKER=true
     volumes:
       - automatisch_storage:/automatisch/storage