diff --git a/pkgs/desktops/xfce4-14/libxfce4ui/default.nix b/pkgs/desktops/xfce4-14/libxfce4ui/default.nix
index d86bf2fec77a..de34e2b6af55 100644
--- a/pkgs/desktops/xfce4-14/libxfce4ui/default.nix
+++ b/pkgs/desktops/xfce4-14/libxfce4ui/default.nix
@@ -12,6 +12,10 @@ mkXfceDerivation rec {
   buildInputs =  [ gtk2 gtk3 libstartup_notification xfconf ];
   propagatedBuildInputs = [ libxfce4util libICE libSM ];
 
+  configureFlags = [
+    "--with-vendor-info='NixOS'"
+  ];
+
   meta = with lib; {
     description = "Widgets library for Xfce";
     license = licenses.lgpl2Plus;