diff --git a/pkgs/desktops/xfce4-14/libxfce4ui/default.nix b/pkgs/desktops/xfce4-14/libxfce4ui/default.nix
index 5121fd2d49e2..d86bf2fec77a 100644
--- a/pkgs/desktops/xfce4-14/libxfce4ui/default.nix
+++ b/pkgs/desktops/xfce4-14/libxfce4ui/default.nix
@@ -8,7 +8,8 @@ mkXfceDerivation rec {
 
   sha256 = "0fnncf30s51qhgixn57z4d021pjjhzgsg2x69w4dy68vff2347qy";
 
-  buildInputs =  [ gobject-introspection gtk2 gtk3 libstartup_notification xfconf ];
+  nativeBuildInputs = [ gobject-introspection ];
+  buildInputs =  [ gtk2 gtk3 libstartup_notification xfconf ];
   propagatedBuildInputs = [ libxfce4util libICE libSM ];
 
   meta = with lib; {