diff --git a/plinth/modules/gitweb/data/etc/gitweb-freedombox.conf b/plinth/modules/gitweb/data/etc/gitweb-freedombox.conf
index 108de9159..32c6b48d0 100644
--- a/plinth/modules/gitweb/data/etc/gitweb-freedombox.conf
+++ b/plinth/modules/gitweb/data/etc/gitweb-freedombox.conf
@@ -27,7 +27,6 @@ $favicon = "/gitweb/static/git-favicon.png";
 
 # git-diff-tree(1) options to use for generated patches
 #@diff_opts = ("-M");
-@diff_opts = ();
 
 # enable short urls
 $feature{'pathinfo'}{'default'} = [1];