diff --git a/artpaint/paintwindow/ImageView.cpp b/artpaint/paintwindow/ImageView.cpp
index 5cc9d6ff..2bd43d7c 100644
--- a/artpaint/paintwindow/ImageView.cpp
+++ b/artpaint/paintwindow/ImageView.cpp
@@ -308,8 +308,10 @@ void
 ImageView::UpdateImage(BRect bitmap_rect)
 {
 	bitmap_rect = bitmap_rect & the_image->ReturnRenderedImage()->Bounds();
-	the_image->Render(bitmap_rect);
-	Invalidate(convertBitmapRectToView(bitmap_rect));
+	if (bitmap_rect.IsValid()) {
+		the_image->Render(bitmap_rect);
+		Invalidate(convertBitmapRectToView(bitmap_rect));
+	}
 }