diff --git a/src/ol/tilecache.js b/src/ol/tilecache.js
index 0fd289c2b9..09cf94c81d 100644
--- a/src/ol/tilecache.js
+++ b/src/ol/tilecache.js
@@ -8,7 +8,7 @@ goog.require('ol.structs.LRUCache');
 /**
  * @define {number} Default high water mark.
  */
-ol.DEFAULT_TILE_CACHE_HIGH_WATER_MARK = 512;
+ol.DEFAULT_TILE_CACHE_HIGH_WATER_MARK = 2048;