diff --git a/src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp b/src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp
index 6ce8ef193a5..e42d71d24bb 100644
--- a/src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp
+++ b/src/plugins/qmldesigner/components/toolbar/toolbarbackend.cpp
@@ -504,7 +504,7 @@ void ToolBarBackend::setCurrentStyle(int index)
     const QList<StyleWidgetEntry> items = ChangeStyleWidgetAction::getAllStyleItems();
 
     QTC_ASSERT(items.size() > index, return);
-    QTC_ASSERT(index > 0, return );
+    QTC_ASSERT(index >= 0, return );
 
     QTC_ASSERT(currentDesignDocument(), return );