--- a/ui/qt/Makefile	Wed Mar 26 20:42:02 2025 +0100
+++ b/ui/qt/Makefile	Wed Mar 26 21:15:20 2025 +0100
@@ -30,8 +30,8 @@
 
 UI_QT_LIB = ../build/ui/qt/
 
-$(QT_MAKEFILE): qt/qt4.pro
-	qmake-qt4 -o - qt/qt4.pro > $(QT_MAKEFILE)
+$(QT_MAKEFILE): qt/$(QT_PRO_FILE)
+	$(QMAKE) -o - $< > $(QT_MAKEFILE)
 
 $(UI_LIB): $(QT_MAKEFILE) $(OBJ) FORCE
 	$(MAKE) -f $(QT_MAKEFILE)