diff --git a/tabbox/tabboxhandler.cpp b/tabbox/tabboxhandler.cpp
index 57b6dafb81..a03dd5fe02 100644
--- a/tabbox/tabboxhandler.cpp
+++ b/tabbox/tabboxhandler.cpp
@@ -534,6 +534,9 @@ void TabBoxHandler::setCurrentIndex(const QModelIndex& index)
     if (d->index == index) {
         return;
     }
+    if (!index.isValid()) {
+        return;
+    }
     if (d->view) {
         d->view->setCurrentIndex(index);
     }