diff --git a/src/GUI/LauncherArgumentTokenizer.hxx b/src/GUI/LauncherArgumentTokenizer.hxx
index 98b6074df..2d2595011 100644
--- a/src/GUI/LauncherArgumentTokenizer.hxx
+++ b/src/GUI/LauncherArgumentTokenizer.hxx
@@ -7,6 +7,7 @@
 #include <QList>
 #include <QObject>
 #include <QJSValue>
+#include <QVariant>
 
 class ArgumentToken
 {