diff --git a/lib/imap.js b/lib/imap.js
index 967e27e..7e2dd3f 100644
--- a/lib/imap.js
+++ b/lib/imap.js
@@ -577,8 +577,8 @@ ImapConnection.prototype.connect = function(loginCb) {
   });
 
   this._state.conn.connect(this._options.port, this._options.host);
-  this._state.tmrConn = setTimeout(this._fnTmrConn.bind(this),
-                                   this._options.connTimeout, loginCb);
+  this._state.tmrConn = setTimeout(this._fnTmrConn.bind(this, loginCb),
+                                   this._options.connTimeout);
 };
 
 ImapConnection.prototype.isAuthenticated = function() {
@@ -824,6 +824,7 @@ ImapConnection.prototype._fetch = function(which, uids, options) {
   if (extensions)
     cmd += extensions;
   cmd += 'UID FLAGS INTERNALDATE';
+  cmd += (opts.request.struct ? ' BODYSTRUCTURE' : '');
   if (toFetch !== undefined) {
     cmd += ' BODY';
     if (!opts.markSeen)