diff --git a/system/clearpilot/tools/qt_webview.cc b/system/clearpilot/tools/qt_webview.cc
index 6834866..bf81f7e 100644
--- a/system/clearpilot/tools/qt_webview.cc
+++ b/system/clearpilot/tools/qt_webview.cc
@@ -34,7 +34,7 @@ public:
     explicit MainWindow(QWidget *parent = nullptr) {
         this->setWindowTitle("Webview in Frame");
         this->setStyleSheet("background-color: black;");
-        window.showFullScreen();
+        this->showFullScreen();
 
         WebViewFrame *webViewFrame = new WebViewFrame(this);
         QVBoxLayout *mainLayout = new QVBoxLayout(this);