mongodb - mongo - $inc incrementing by 2 instead of 1 using meteor methods -

meteor method:-

incrementcount: function(toperson){  meteor.users.update({'emails.0.address': toperson}, {$inc: {'profile.notificationcount': 1}});  } 

meteor method call:-

meteor.call("incrementcount", message.to); 

the issue on first load notificationcount increments 2, loads afterwards increment accurately 1.

i have searched docs mongodb solutions did not have success.

thank in advance responses.