diff --git a/umap/static/umap/js/modules/rendering/ui.js b/umap/static/umap/js/modules/rendering/ui.js
index c4f913c3..9ac02f97 100644
--- a/umap/static/umap/js/modules/rendering/ui.js
+++ b/umap/static/umap/js/modules/rendering/ui.js
@@ -205,8 +205,11 @@ export const LeafletMarker = Marker.extend({
   },
 
   _redraw: function () {
-    this._initIcon()
-    this.update()
+    // May no be on the map when in a cluster.
+    if (this._map) {
+      this._initIcon()
+      this.update()
+    }
   },
 
   getCenter: function () {