diff --git a/addons/calendar/static/src/js/base_calendar.js b/addons/calendar/static/src/js/base_calendar.js
index 64d7d084557..e6dad933f81 100644
--- a/addons/calendar/static/src/js/base_calendar.js
+++ b/addons/calendar/static/src/js/base_calendar.js
@@ -148,12 +148,12 @@ widgets.SidebarFilter.include({
         .filter([["id", "=",this.view.dataset.context.uid]])
         .first()
         .done(function(result){
-            $.map(self.ir_model_m2o.display_value, function(element,index) {
-                if (result.partner_id[0] != index){
-                    self.ds_message = new data.DataSetSearch(self, 'calendar.contacts');
-                    defs.push(self.ds_message.call("create", [{'partner_id': index}]));
-                }
-            });
+            var partner_id = self.ir_model_m2o.get_value();
+            // don't duplicate [Me] filter for current user
+            if (result.partner_id[0] != partner_id){
+                self.ds_message = new data.DataSetSearch(self, 'calendar.contacts');
+                defs.push(self.ds_message.call("create", [{'partner_id': partner_id}]));
+            }
         }));
         return $.when.apply(null, defs).then(function() {
             return reload_favorite_list(self);