diff --git a/example/dune b/example/dune
index 80423a9..1b81cc6 100644
--- a/example/dune
+++ b/example/dune
@@ -1,7 +1,7 @@
 (executable
  (name main)
  (modules main)
- (libraries leaflet)
+ (libraries brr leaflet)
  (modes js)
  (preprocess
   (pps js_of_ocaml-ppx)))
diff --git a/example/main.ml b/example/main.ml
index 9b8e97d..9e685c4 100644
--- a/example/main.ml
+++ b/example/main.ml
@@ -1,7 +1,11 @@
 (* create map *)
 let map =
-  let container_id = "map" in
-  Leaflet.Map.create container_id
+  let container =
+    match Brr.Document.find_el_by_id Brr.G.document (Jstr.of_string "map") with
+    | None -> failwith "map container not found"
+    | Some el -> el
+  in
+  Leaflet.Map.create container
 
 (* setup map *)
 let () =
diff --git a/src/map.ml b/src/map.ml
index 259efeb..8277a9a 100644
--- a/src/map.ml
+++ b/src/map.ml
@@ -6,8 +6,10 @@ let of_jv = Fun.id
 
 let to_jv = Fun.id
 
-let create ?(options = Jv.null) container_id =
-  Jv.call Global.leaflet "map" [| Jv.of_string container_id; options |]
+let create ?(options = Jv.null) container =
+  match Brr.El.at (Jstr.of_string "id") container with
+  | None -> failwith "container doesn't have id"
+  | Some id -> Jv.call Global.leaflet "map" [| Jv.of_jstr id; options |]
 
 let invalidate_size map =
   let (_ : Jv.t) = Jv.call map "invalidateSize" [| Jv.true' |] in
diff --git a/src/map.mli b/src/map.mli
index 96795cb..15c1f2b 100644
--- a/src/map.mli
+++ b/src/map.mli
@@ -2,7 +2,7 @@
 
 type t
 
-val create : ?options:Jv.t -> string -> t
+val create : ?options:Jv.t -> Brr.El.t -> t
 
 val invalidate_size : t -> unit