From 485a0f64030825455dd4d1f4a2f6ed7a5d4b0d67 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Mon, 6 Aug 2012 17:55:30 +0200
Subject: [PATCH] Clean up after callback called

---
 src/ol/tile/bingmaps.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/ol/tile/bingmaps.js b/src/ol/tile/bingmaps.js
index 38c0e3c6e2..100603bdcf 100644
--- a/src/ol/tile/bingmaps.js
+++ b/src/ol/tile/bingmaps.js
@@ -174,6 +174,8 @@ ol.tilestore.BingMaps.prototype.handleImageryMetadataResponse =
 
   if (!goog.isNull(this.callback_)) {
     this.callback_.call(this.object_, this);
+    this.callback_ = null;
+    this.object_ = null;
   }
 
 };