diff --git a/code/player_names.js b/code/player_names.js
index 1ad0183c..63c09fde 100644
--- a/code/player_names.js
+++ b/code/player_names.js
@@ -80,7 +80,9 @@ window.resolvePlayerNames = function() {
 }
 
 
-window.setPlayerName = function(guid, nick) {
+window.setPlayerName = function(guid, nick, uncertain) {
+  if(uncertain && guid in localStorage) return;
+
   if($.trim(('' + nick)).slice(0, 5) === '{"L":' && !window.alertFor37WasShown) {
     window.alertFor37WasShown = true;
     alert('You have run into bug #37. Please help me solve it!\nCopy and paste this text and post it here:\nhttps://github.com/breunigs/ingress-intel-total-conversion/issues/37\nIf copy & pasting doesn’t work, make a screenshot instead.\n\n\n' + window.debug.printStackTrace() + '\n\n\n' + JSON.stringify(nick));