diff --git a/box.go b/box.go
index baf968e..5c46d92 100644
--- a/box.go
+++ b/box.go
@@ -117,6 +117,7 @@ func (this *box) SetColor (c color.Color) {
 }
 
 func (this *box) SetTexture (texture canvas.Texture) {
+	if this.texture == texture { return }
 	this.texture = xcanvas.AssertTexture(texture)
 	this.invalidateDraw()
 }