diff --git a/utils.py b/utils.py
index f3b6931..9a916e7 100644
--- a/utils.py
+++ b/utils.py
@@ -18,7 +18,7 @@
 
 def get_ee_image_url(image):
     map_id = ee.data.getMapId({'image': image})
-    url = map_id['tile_fetcher'].url_format
+    url = map_id['tile_fetcher'].url_format + "&zmax=25"
     return url