diff --git a/wp-includes/class-phpass.php b/wp-includes/class-phpass.php
index 2b89a2f5c..6d77a1cce 100644
--- a/wp-includes/class-phpass.php
+++ b/wp-includes/class-phpass.php
@@ -55,7 +55,7 @@ class PasswordHash {
 	function get_random_bytes($count)
 	{
 		$output = '';
-		if (is_readable('/dev/urandom') &&
+		if ( @is_readable('/dev/urandom') &&
 		    ($fh = @fopen('/dev/urandom', 'rb'))) {
 			$output = fread($fh, $count);
 			fclose($fh);