diff --git a/make/defs.mk b/make/defs.mk
index 930afc59..3410cbc5 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -174,7 +174,11 @@ MOC_H_UI   = $(patsubst %.ui,%.h,$(UIFILES))
 MOC_H      = $(sort $(MOC_H_HC) $(MOC_H_UI))
 MOC_CPP    = $(patsubst %.h,moc_%.cpp,  $(MOC_H))
 RCC_CPP    = $(patsubst %.qrc,rcc_%.cpp, $(RCCFILES))
+ifeq ($(QT_VERSION),4)
+UIC_H      = $(patsubst %.ui,ui_%.h,    $(UIFILES))
+else
 UIC_H      = $(patsubst %.ui,%.h,       $(UIFILES))
+endif
 UIC_CPP    = $(patsubst %.ui,uic_%.cpp, $(UIFILES))
 
 OBJ       += $(patsubst %.cpp,%.o,$(MOC_CPP))