diff --git a/src/Gui/PythonWrapper.cpp b/src/Gui/PythonWrapper.cpp
index 5478ca8d5b..807c8e1b57 100644
--- a/src/Gui/PythonWrapper.cpp
+++ b/src/Gui/PythonWrapper.cpp
@@ -25,6 +25,7 @@
 # include <limits>
 # include <unordered_map>
 # include <list>
+# include <QApplication>
 # include <QDir>
 # include <QIcon>
 # include <QWidget>