diff --git a/companion/src/mdichild.cpp b/companion/src/mdichild.cpp
index 4acbce4e5..12bfe1489 100644
--- a/companion/src/mdichild.cpp
+++ b/companion/src/mdichild.cpp
@@ -1262,7 +1262,7 @@ void MdiChild::openModelEditWindow(int row)
   gStopwatch.report("ModelEdit creation");
   ModelEdit * t = new ModelEdit(this, radioData, (row), firmware);
   gStopwatch.report("ModelEdit created");
-  t->setWindowTitle(tr("Editing model %1: ").arg(row+1) + model.name);
+  t->setWindowTitle(tr("Editing model %1: ").arg(row+1) + QString(model.name));
   connect(t, &ModelEdit::modified, this, &MdiChild::setModified);
   gStopwatch.report("STARTING MODEL EDIT");
   t->show();