diff --git a/leaflet/forms/widgets.py b/leaflet/forms/widgets.py
index 084fb18f..40f9bdc3 100644
--- a/leaflet/forms/widgets.py
+++ b/leaflet/forms/widgets.py
@@ -50,6 +50,7 @@ def render(self, name, value, attrs=None):
         attrs.update(id_map=map_id + '_map',
                      id_map_callback=map_id + '_map_callback',
                      modifiable=self.modifiable,
+                     target_map=attrs.get('target_map', getattr(self, 'target_map', None)),
                      geometry_field_class=attrs.get('geometry_field_class', 'L.GeometryField'),
                      field_store_class=attrs.get('field_store_class', 'L.FieldStore'))
         return super(LeafletWidget, self).render(name, value, attrs)
diff --git a/leaflet/static/leaflet/leaflet.extras.js b/leaflet/static/leaflet/leaflet.extras.js
index 90af4d12..4398da77 100644
--- a/leaflet/static/leaflet/leaflet.extras.js
+++ b/leaflet/static/leaflet/leaflet.extras.js
@@ -196,7 +196,7 @@ L.Map.djangoMap = function (id, options) {
     /*
      * Trigger custom map:init Event
      */
-    triggerEvent(window, 'map:init', {map: map, options: options});
+    triggerEvent(window, 'map:init', {id: id, map: map, options: options});
 
     /*
      * Run callback if specified
diff --git a/leaflet/templates/leaflet/widget.html b/leaflet/templates/leaflet/widget.html
index e40b48ad..bf0944c5 100644
--- a/leaflet/templates/leaflet/widget.html
+++ b/leaflet/templates/leaflet/widget.html
@@ -20,11 +20,25 @@
         (new {{ geometry_field_class}}({{ module }})).addTo(map);
         {% block callback %}{% endblock callback %}
     };
+
+    {% if target_map %}
+    window.addEventListener('map:init', function (e) {
+        e.detail.map.on('map:loadfield', function (me) {
+            if (me.fieldid == 'id_{{ target_map }}') {
+                setTimeout(function () {
+                    {{ id_map_callback }}(e.detail.map, e.detail.options);
+                }, 0);
+            }
+        });
+    }, false);
+    {% endif %}
 </script>
 
+{% if not target_map %}
 {% block map %}
     {% leaflet_map id_map callback=id_map_callback %}
 {% endblock map %}
+{% endif %}
 
 {% if display_raw %}<p> Geometry:</p>{% endif %}
 <textarea id="{{ id }}" class="required" cols="150" rows="10" name="{{ name }}">{{ serialized }}</textarea>