diff --git a/source/bridges/Makefile b/source/bridges/Makefile
index b2f2b98b2..2d9607336 100644
--- a/source/bridges/Makefile
+++ b/source/bridges/Makefile
@@ -175,11 +175,11 @@ ifeq ($(HAVE_GTK3),true)
 TARGETS += ui_lv2-gtk3
 endif
 
-ifeq ($(HAVE_QTGUI4),true)
+ifeq ($(HAVE_QT4),true)
 TARGETS += ui_lv2-qt4
 endif
 
-ifeq ($(HAVE_QTGUI5),true)
+ifeq ($(HAVE_QT5),true)
 TARGETS += ui_lv2-qt5
 endif