diff --git a/src/ol/imagetile.js b/src/ol/imagetile.js
index dd7098f00e..1fa5c9b866 100644
--- a/src/ol/imagetile.js
+++ b/src/ol/imagetile.js
@@ -115,6 +115,11 @@ ol.ImageTile.prototype.handleImageError_ = function() {
  * @private
  */
 ol.ImageTile.prototype.handleImageLoad_ = function() {
+  if (!goog.isDef(this.image_.naturalWidth)) {
+    this.image_.naturalWidth = this.image_.width;
+    this.image_.naturalHeight = this.image_.height;
+  }
+
   if (this.image_.naturalWidth && this.image_.naturalHeight) {
     this.state = ol.TileState.LOADED;
   } else {