diff --git a/lib/XmppPrebind.php b/lib/XmppPrebind.php
index 5974d3a..5d33484 100644
--- a/lib/XmppPrebind.php
+++ b/lib/XmppPrebind.php
@@ -116,7 +116,9 @@ public function __construct($jabberHost, $boshUri, $resource, $useSsl = false, $
 	 * @param string $password Password
 	 */
 	public function connect($username, $password) {
-		$this->jid      = $username . '@' . $this->jabberHost . '/' . $this->resource;
+		$this->jid      = $username . '@' . $this->jabberHost;
+		if($this->resource != null)
+            		$this->jid .= '/' . $this->resource;
 		$this->password = $password;
 
 		$response = $this->sendInitialConnection();