diff --git a/gui/gui.pro b/gui/gui.pro
index e4ffcb24b..d7c9d154b 100644
--- a/gui/gui.pro
+++ b/gui/gui.pro
@@ -22,6 +22,9 @@ MOC_DIR = temp
 OBJECTS_DIR = temp
 UI_DIR = temp
 
+QMAKE_CC = $$(CC)
+QMAKE_CXX = $$(CXX)
+
 win32 {
    CONFIG += windows
    contains(LINKCORE, [yY][eE][sS]) {