diff --git a/plugins/behaviors/openlayers_behavior_zoomtolayer.js b/plugins/behaviors/openlayers_behavior_zoomtolayer.js
index db8506b..2ea2a69 100644
--- a/plugins/behaviors/openlayers_behavior_zoomtolayer.js
+++ b/plugins/behaviors/openlayers_behavior_zoomtolayer.js
@@ -47,6 +47,9 @@ Drupal.openlayers.addBehavior('openlayers_behavior_zoomtolayer', function (data,
    */
   function handle_loadend_once(event) {
     var layer = event.object;
+    if (layer.features.length === 0) {
+      return;
+    }
     layer.events.unregister('loadend', layer, handle_loadend_once);
 
     accumulate_extent(layer);