diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 4a18f75..fbd0962 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -136,6 +136,9 @@ void MainWindow::frame_captured(FlyCapture2::Image* image) {
 void MainWindow::displayPreview(FlyCapture2::Image* last_capture) {
     // Convert Pixel Format to RGB
     FlyCapture2::Image last_image;
+    QImage last_preview_image;
+    QPixmap last_preview;
+
     FlyCapture2::Error e = last_capture->Convert(FlyCapture2::PIXEL_FORMAT_RGB, &last_image);
 
     last_preview_image = QImage(last_image.GetData(), last_image.GetCols(), last_image.GetRows(), QImage::Format_RGB888);
diff --git a/src/mainwindow.h b/src/mainwindow.h
index cbe6920..5351e9b 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -24,8 +24,6 @@ private:
 	Ui::MainWindow *ui;
 	CameraManager cam_man;
 	Recorder recorder;
-    QPixmap last_preview;
-    QImage last_preview_image;
 
     void displayPreview(FlyCapture2::Image *last_capture);
 	void disableRecOptions();