diff --git a/GUI/Models/ModelUtils.h b/GUI/Models/ModelUtils.h
index 7c11e3c6b94ee45354bc2ab3eabcbb897694f8bc..41c79e93cb4eb6232455d31028b2bd1e4d1ad3cf 100644
--- a/GUI/Models/ModelUtils.h
+++ b/GUI/Models/ModelUtils.h
@@ -16,6 +16,7 @@
 #define BORNAGAIN_GUI_MODELS_MODELUTILS_H
 
 #include <QString>
+#include <QStringList>
 #include <functional>
 
 class QModelIndex;