diff --git a/cake/libs/http_socket.php b/cake/libs/http_socket.php
index b1df3f25dc8..ba56034bd55 100644
--- a/cake/libs/http_socket.php
+++ b/cake/libs/http_socket.php
@@ -539,7 +539,7 @@ protected function _setAuth() {
 		if (!method_exists($authClass, 'authentication')) {
 			throw new SocketException(sprintf(__('The %s do not support authentication.'), $authClass));
 		}
-		call_user_func("$authClass::authentication", $this, &$this->_auth[$method]);
+		call_user_func("$authClass::authentication", $this, $this->_auth[$method]);
 	}
 
 /**
@@ -565,7 +565,7 @@ protected function _setProxy() {
 		if (!method_exists($authClass, 'proxyAuthentication')) {
 			throw new SocketException(sprintf(__('The %s do not support proxy authentication.'), $authClass));
 		}
-		call_user_func("$authClass::proxyAuthentication", $this, &$this->_proxy);
+		call_user_func("$authClass::proxyAuthentication", $this, $this->_proxy);
 	}
 
 /**