diff --git a/code/map_data_calc_tools.js b/code/map_data_calc_tools.js
index aae87cea..047d3381 100755
--- a/code/map_data_calc_tools.js
+++ b/code/map_data_calc_tools.js
@@ -12,7 +12,7 @@
 
 window.setupDataTileParams = function() {
   // default values - used to fall back to if we can't detect those used in stock intel
-  var DEFAULT_ZOOM_TO_TILES_PER_EDGE = [256,256,256,256,512,512,512,2048,2048,4096,4096,6500,6500,6500,18000,18000,36000];
+  var DEFAULT_ZOOM_TO_TILES_PER_EDGE = [60, 60, 60, 60, 60, 120, 500, 500, 2000, 4000, 4000, 8000, 32000, 64000];
   var DEFAULT_ZOOM_TO_LEVEL = [8,8,8,8,7,7,7,6,6,5,4,4,3,2,2,1,1];