diff --git a/lib/Connection.js b/lib/Connection.js
index 6e966db..4581f71 100644
--- a/lib/Connection.js
+++ b/lib/Connection.js
@@ -1061,7 +1061,7 @@ Connection.prototype._resTagged = function(info) {
 
   if (info.type === 'no' || info.type === 'bad') {
     var errtext;
-    if (/^AUTHENTICATE XOAUTH/.test(req.fullcmd) && req.oauthError)
+    if (req.oauthError)
       errtext = req.oauthError;
     else
       errtext = info.text;