diff --git a/src/plugins/VerticalTabs/verticaltabsplugin.cpp b/src/plugins/VerticalTabs/verticaltabsplugin.cpp
index c1cfac4f0..d179bb1c1 100644
--- a/src/plugins/VerticalTabs/verticaltabsplugin.cpp
+++ b/src/plugins/VerticalTabs/verticaltabsplugin.cpp
@@ -30,6 +30,7 @@
 #include "../config.h"
 
 #include <QSettings>
+#include <QFile>
 
 VerticalTabsPlugin::VerticalTabsPlugin()
     : QObject()