diff --git a/docker-compose.yml b/docker-compose.yml
index 4c4e6cc4d91478ebd52e39ead5a6f7f1359f31e2..a0453bf977d0d804c9c3ac93ca7cba4770b0eaef 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -47,9 +47,9 @@ services:
             LETSENCRYPT_HOST: datacatalog.fz-juelich.de
             VIRTUAL_PORT: 8000
             DATACATALOG_APISERVER_ENCRYPTION_KEY: ${SECRETS_ENCRYPTION_KEY}
-            DATACATALOG_APISERVER_CLIENT_ID: $(DATACATALOG_APISERVER_CLIENT_ID)
-            DATACATALOG_APISERVER_CLIENT_SECRET: $(DATACATALOG_APISERVER_CLIENT_SECRET)
-            DATACATALOG_APISERVER_SERVER_METADATA_URL: $(DATACATALOG_APISERVER_SERVER_METADATA_URL)
+            DATACATALOG_APISERVER_CLIENT_ID: ${DATACATALOG_APISERVER_CLIENT_ID}
+            DATACATALOG_APISERVER_CLIENT_SECRET: ${DATACATALOG_APISERVER_CLIENT_SECRET}
+            DATACATALOG_APISERVER_SERVER_METADATA_URL: ${DATACATALOG_APISERVER_SERVER_METADATA_URL}
         networks: 
             - "net"
 volumes: