diff --git a/README.md b/README.md
index 215c0e9..697bd4c 100644
--- a/README.md
+++ b/README.md
@@ -102,6 +102,8 @@ You can customize the tile layer used  by the maps using the `tile_layer` and `t
     }
 }
 ```
+If your tile server provides retina tiles, add `"detectRetina": true` to `tile_layer_options` to enable them.
+
 The [Leaflet Providers preview list](https://leaflet-extras.github.io/leaflet-providers/preview/index.html) has details of many other tile layers you can use.
 
 ## Custom marker popups
diff --git a/datasette_cluster_map/__init__.py b/datasette_cluster_map/__init__.py
index d91f1a3..fa6cc46 100644
--- a/datasette_cluster_map/__init__.py
+++ b/datasette_cluster_map/__init__.py
@@ -6,7 +6,6 @@
 TILE_LAYER = "https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
 TILE_LAYER_OPTIONS = {
     "maxZoom": 19,
-    "detectRetina": True,
     "attribution": '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
 }