diff --git a/ArchitectureColoredPainting/src/Renderer/RendererWidget.cpp b/ArchitectureColoredPainting/src/Renderer/RendererWidget.cpp
index d244c41..3562632 100644
--- a/ArchitectureColoredPainting/src/Renderer/RendererWidget.cpp
+++ b/ArchitectureColoredPainting/src/Renderer/RendererWidget.cpp
@@ -2,6 +2,7 @@
 #include "RendererGLWidget.h"
 #include "../FluentMenu.h"
 #include <QFileDialog>
+#include <QStackedwidget>
 
 Renderer::RendererWidget::RendererWidget(QWidget* parent)
 	: QWidget(parent)
@@ -85,7 +86,7 @@ Renderer::RendererWidget::~RendererWidget()
 
 void Renderer::RendererWidget::currentTabChanged(int index)
 {
-	if (index == 1)
+	if (qobject_cast<QStackedWidget*>(sender())->currentWidget() == this)
 	{
 		ui.openGLWidget->startTimer();
 	}