diff --git a/src/ol/source/tileimage.js b/src/ol/source/tileimage.js
index 4d5d8f9b5c..d9bb818eba 100644
--- a/src/ol/source/tileimage.js
+++ b/src/ol/source/tileimage.js
@@ -241,7 +241,7 @@ ol.source.TileImage.prototype.getTile = function(z, x, y, pixelRatio, projection
       !this.getProjection() ||
       !projection ||
       ol.proj.equivalent(this.getProjection(), projection)) {
-    return this.getTileInternal(z, x, y, pixelRatio, /** @type {!ol.proj.Projection} */ (projection));
+    return this.getTileInternal(z, x, y, pixelRatio, /** @type {!ol.proj.Projection} */ (this.getProjection() || projection));
   } else {
     var cache = this.getTileCacheForProjection(projection);
     var tileCoord = [z, x, y];