diff --git a/src/gsiqt/qt5/QtUiTools/QtUiTools.pro b/src/gsiqt/qt5/QtUiTools/QtUiTools.pro
index 58b1f6c0c..eec9abbec 100644
--- a/src/gsiqt/qt5/QtUiTools/QtUiTools.pro
+++ b/src/gsiqt/qt5/QtUiTools/QtUiTools.pro
@@ -10,7 +10,7 @@ DEFINES += MAKE_GSI_QTUITOOLS_LIBRARY
 INCLUDEPATH += $$TL_INC $$GSI_INC $$QTBASIC_INC
 DEPENDPATH += $$TL_INC $$GSI_INC $$QTBASIC_INC
 
-LIBS += -L$$DESTDIR -lklayout_tl -lklayout_gsi -lklayout_qtbasic
+LIBS += -L$$DESTDIR -lklayout_tl -lklayout_gsi -lklayout_qtbasic -lklayout_QtCore
 
 SOURCES += \