diff --git a/pkgs/desktops/xfce/core/xfce4-dev-tools/setup-hook.sh b/pkgs/desktops/xfce/core/xfce4-dev-tools/setup-hook.sh
index 3abf3172ea66..05ddc6a172ff 100644
--- a/pkgs/desktops/xfce/core/xfce4-dev-tools/setup-hook.sh
+++ b/pkgs/desktops/xfce/core/xfce4-dev-tools/setup-hook.sh
@@ -9,4 +9,6 @@ xdtAutogenPhase() {
     NOCONFIGURE=1 xdt-autogen
 }
 
-preConfigurePhases+=(xdtAutogenPhase)
+if [ -z "${dontUseXdtAutogenPhase-}" ]; then
+    preConfigurePhases+=(xdtAutogenPhase)
+fi