diff --git a/make/defs.mk b/make/defs.mk
index c187e5ba..7aa340c2 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -195,8 +195,13 @@ ifeq ($(ARCH),x86)
 	LD_LIB_PATH   += $(QT_PREFIX)/lib
 	QT_LDFLAGS    += -L$(QT_PREFIX)/lib
 else
-	LD_LIB_PATH   += $(QT_PREFIX)/lib64
-	QT_LDFLAGS    += -L$(QT_PREFIX)/lib64
+	ifeq ($(QT_VERSION),4)
+		LD_LIB_PATH   += $(QT_PREFIX)/lib
+		QT_LDFLAGS    += -L$(QT_PREFIX)/lib
+	else
+		LD_LIB_PATH   += $(QT_PREFIX)/lib64
+		QT_LDFLAGS    += -L$(QT_PREFIX)/lib64
+	endif
 endif
 
 MOC                    = $(QT_PREFIX)/bin/moc