diff -Naur a/GUI/i7z_GUI.pro b/GUI/i7z_GUI.pro
--- a/GUI/i7z_GUI.pro	2013-10-12 21:59:19.000000000 +0100
+++ b/GUI/i7z_GUI.pro	2016-11-05 13:54:30.118655672 +0000
@@ -3,7 +3,8 @@
 ######################################################################
 
 TEMPLATE = app
-TARGET = 
+TARGET = i7z_GUI
+QT += widgets
 DEPENDPATH += .
 INCLUDEPATH += .
 CONFIG += debug