diff --git a/src/mainwindow.h b/src/mainwindow.h
index 1516d23..8cc4e63 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -34,6 +34,7 @@ private:
 	void showError(QString error);
 
 	void updateCameraList(unsigned int num_cameras);
+    void stopCapture();
 
 private slots:
 	// Fills Camera Combobox with Cameras