1 files changed, 3 insertions, 0 deletions
diff --git a/win/win.go b/win/win.go
index e47baf2..82637f1 100644
--- a/win/win.go
+++ b/win/win.go
@@ -148,6 +148,9 @@ func (w *Win) flush(r image.Rectangle) {
 
 	bounds := w.rgba.Bounds()
 	r = bounds.Intersect(r)
+	if r.Empty() {
+		return
+	}
 
 	tmp := image.NewRGBA(r)
 	draw.Draw(tmp, r, w.rgba, r.Min, draw.Src)