diff --git a/docker-compose.yml b/docker-compose.yml
index b72516419bc40ed37920e0d362fe672cc9a4573d..d68eb3d5fbe2d1a26a6799172f0bdc802b7814ce 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -30,6 +30,7 @@ services:
         remote_port=9000
         remote_enable=1
         remote_host=10.111.0.1
+        idekey=fid
 
   httpd:
     image: ubleipzig/vufind-httpd:2.4-2