diff --git a/include/ImageOverlayDialog.h b/include/ImageOverlayDialog.h
index 21f59d12..87724309 100644
--- a/include/ImageOverlayDialog.h
+++ b/include/ImageOverlayDialog.h
@@ -35,6 +35,7 @@ protected:
 private:
 	void scaleImage(int width, int height);
 
+	QPixmap originalImage_;
 	QPixmap image_;
 
 	QRect content_;
diff --git a/src/ImageOverlayDialog.cc b/src/ImageOverlayDialog.cc
index 0fe1c0e4..2e032562 100644
--- a/src/ImageOverlayDialog.cc
+++ b/src/ImageOverlayDialog.cc
@@ -21,8 +21,8 @@
 #include "ImageOverlayDialog.h"
 
 ImageOverlayDialog::ImageOverlayDialog(QPixmap image, QWidget *parent)
-    : QDialog{parent}
-    , image_{image}
+	: QDialog{parent}
+	, originalImage_{image}
 {
 	setMouseTracking(true);
 	setModal(false);
@@ -41,11 +41,11 @@ ImageOverlayDialog::ImageOverlayDialog(QPixmap image, QWidget *parent)
 // TODO: Move this into Utils
 void ImageOverlayDialog::scaleImage(int max_width, int max_height)
 {
-	if (image_.isNull())
+	if (originalImage_.isNull())
 		return;
 
-	auto width_ratio = (double)max_width / (double)image_.width();
-	auto height_ratio = (double)max_height / (double)image_.height();
+	auto width_ratio = (double)max_width / (double)originalImage_.width();
+	auto height_ratio = (double)max_height / (double)originalImage_.height();
 
 	auto min_aspect_ratio = std::min(width_ratio, height_ratio);
 
@@ -53,14 +53,14 @@ void ImageOverlayDialog::scaleImage(int max_width, int max_height)
 	int final_height = 0;
 
 	if (min_aspect_ratio > 1) {
-		final_width = image_.width();
-		final_height = image_.height();
+		final_width = originalImage_.width();
+		final_height = originalImage_.height();
 	} else {
-		final_width = image_.width() * min_aspect_ratio;
-		final_height = image_.height() * min_aspect_ratio;
+		final_width = originalImage_.width() * min_aspect_ratio;
+		final_height = originalImage_.height() * min_aspect_ratio;
 	}
 
-	image_ = image_.scaled(final_width, final_height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+	image_ = originalImage_.scaled(final_width, final_height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
 }
 
 void ImageOverlayDialog::paintEvent(QPaintEvent *event)