diff --git a/lib/util.php b/lib/util.php
index 26a12871b9..dd8189a582 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -178,7 +178,6 @@ function common_ensure_session()
 	}
 	if (isset($id)) {
 	    session_id($id);
-	    setcookie(session_name(), $id, 0, common_config('site', 'path') . '/');
 	}
         @session_start();
         if (!isset($_SESSION['started'])) {