diff --git a/src/app/qgisapp.h b/src/app/qgisapp.h
index f8b93149007..21c2adf1e3a 100644
--- a/src/app/qgisapp.h
+++ b/src/app/qgisapp.h
@@ -359,7 +359,7 @@ class QgisApp : public QMainWindow
     //! returns pointer to map legend
     QgsLegend *legend();
 
-#if Q_OS_WIN
+#ifdef Q_OS_WIN
     //! ugly hack
     void skipNextContextMenuEvent();
 #endif