diff --git a/modules/server/containers/defs/nextcloud.nix b/modules/server/containers/defs/nextcloud.nix
index 3139930..ba71707 100644
--- a/modules/server/containers/defs/nextcloud.nix
+++ b/modules/server/containers/defs/nextcloud.nix
@@ -123,7 +123,7 @@ in {
         $OCC config:app:set ownpad ownpad_etherpad_enable --value="yes"
         $OCC config:app:set ownpad ownpad_etherpad_host --value="https:\/\/${serverCfg.containers.etherpad.subdomain}.${serverCfg.hostDomain}"
         ''}
-        ${lib.optionalString (cfg.container ? collabora) ''
+        ${lib.optionalString (serverCfg.container ? collabora) ''
         $OCC config:app:set richdocuments wopi_url --value="https://${serverCfg.containers.collabora.subdomain}.${serverCfg.hostDomain}/"
         $OCC config:app:set richdocuments public_wopi_url --value="https://${serverCfg.containers.collabora.subdomain}.${serverCfg.hostDomain}"
         ''}