diff --git a/lib/OpenLayers/Layer/Markers.js b/lib/OpenLayers/Layer/Markers.js
index 06bac54fe7..df214c53cc 100644
--- a/lib/OpenLayers/Layer/Markers.js
+++ b/lib/OpenLayers/Layer/Markers.js
@@ -36,6 +36,7 @@ OpenLayers.Layer.Markers.prototype =
     addMarker: function(marker) {
         this.markers.append(marker);
         if (this.map && this.map.getExtent()) {
+            marker.map = this.map;
             this.drawMarker(marker);
         }
     },