diff --git a/docker-compose.yml b/docker-compose.yml
index 0ed3826..565c936 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -55,7 +55,7 @@ services:
       - CMD_ALLOW_ANONYMOUS_EDITS=true
       - CMD_DEFAULT_PERMISSION=limited
       - CMD_IMAGE_UPLOAD_TYPE=filesystem
-      - CMD_DB_URL=postgres://${POSTGRESQL_USER}:${POSTGRESQL_PASSWORD}@codimd-db:5432/${POSTGRESQL_DB}
+      - CMD_DB_URL=postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@codimd-db:5432/${POSTGRES_DB}
       - CMD_ALLOW_PDF_EXPORT=true
       - CMD_ALLOW_FREEURL=true
     # ports: