diff --git a/nixos/modules/services/web-apps/mediawiki.nix b/nixos/modules/services/web-apps/mediawiki.nix
index a9ad02bdd60d4..5bd286b67ef3d 100644
--- a/nixos/modules/services/web-apps/mediawiki.nix
+++ b/nixos/modules/services/web-apps/mediawiki.nix
@@ -602,6 +602,10 @@ in
              return 404;
           '';
         };
+        extraConfig = ''
+          open_file_cache max=1000;
+          open_file_cache_errors on;
+        '';
       };
     };