diff --git a/GUI/View/Tool/GroupBoxCollapser.cpp b/GUI/View/Tool/GroupBoxCollapser.cpp
index 818ef09919c78dbf36c1bc16c51af6362d482ec0..fe2b07da5181519bd5d8507cf76780e2301f70da 100644
--- a/GUI/View/Tool/GroupBoxCollapser.cpp
+++ b/GUI/View/Tool/GroupBoxCollapser.cpp
@@ -19,6 +19,7 @@
 #include <QGroupBox>
 #include <QToolButton>
 #include <QVariant>
+#include <QMenu>
 
 GroupBoxCollapser* GroupBoxCollapser::installIntoGroupBox(QGroupBox* groupBox, bool expanded)
 {