diff --git a/library/Zend/Http/Client/Adapter/Proxy.php b/library/Zend/Http/Client/Adapter/Proxy.php
index 9dba901..6eee82c 100644
--- a/library/Zend/Http/Client/Adapter/Proxy.php
+++ b/library/Zend/Http/Client/Adapter/Proxy.php
@@ -305,7 +305,7 @@ protected function connectHandshake(
 
         $success = false;
         foreach($modes as $mode) {
-            $success = stream_socket_enable_crypto($this->socket, true, $mode);
+            $success = @stream_socket_enable_crypto($this->socket, true, $mode);
             if ($success) {
                 break;
             }