diff --git a/src/plugins/debugger/debuggertooltipmanager.cpp b/src/plugins/debugger/debuggertooltipmanager.cpp
index 5282b6b67a9..e8ef9391448 100644
--- a/src/plugins/debugger/debuggertooltipmanager.cpp
+++ b/src/plugins/debugger/debuggertooltipmanager.cpp
@@ -34,6 +34,7 @@
 
 #include <QAbstractItemModel>
 #include <QDebug>
+#include <QGuiApplication>
 #include <QLabel>
 #include <QScrollBar>
 #include <QStack>