diff --git a/src/tiledimage.js b/src/tiledimage.js
index 44ddba33..bfc67fc8 100644
--- a/src/tiledimage.js
+++ b/src/tiledimage.js
@@ -312,7 +312,7 @@ $.extend($.TiledImage.prototype, $.EventSource.prototype, /** @lends OpenSeadrag
             this._midDraw = false;
         }
         // Images with opacity 0 should not need to be drawn in future. this._needsDraw = false is set in this._updateViewport() for other images.
-        if (this.opacity === 0) {
+        else {
             this._needsDraw = false;
         }
     },