1 files changed, 5 insertions, 1 deletions
diff --git a/gmap_arcgis.js b/gmap_arcgis.js
index edc0ea1..aaa0446 100644
--- a/gmap_arcgis.js
+++ b/gmap_arcgis.js
@@ -307,8 +307,12 @@ function gmapArcgis(config) {
     addMarkers: function(element, cluster) {
       var self = this;
 
+      if (cluster == undefined) {
+        cluster = false;
+      }
+
       if (this.config['markers'][element].overlay != undefined) {
-        this.toggleMarkers(element);
+        this.toggleMarkers(element, false, cluster);
         return;
       } else {
         this.config['markers'][element].overlay  = [];