diff --git a/phpseclib/Crypt/Random.php b/phpseclib/Crypt/Random.php
index 170d1c37..6b29e751 100644
--- a/phpseclib/Crypt/Random.php
+++ b/phpseclib/Crypt/Random.php
@@ -62,7 +62,7 @@ class Random
             // method 1. prior to PHP 5.3 this would call rand() on windows hence the function_exists('class_alias') call.
             // ie. class_alias is a function that was introduced in PHP 5.3
             if (extension_loaded('mcrypt') && function_exists('class_alias')) {
-                return mcrypt_create_iv($length);
+                return @mcrypt_create_iv($length);
             }
             // method 2. openssl_random_pseudo_bytes was introduced in PHP 5.3.0 but prior to PHP 5.3.4 there was,
             // to quote <http://php.net/ChangeLog-5.php#5.3.4>, "possible blocking behavior". as of 5.3.4
@@ -101,7 +101,7 @@ class Random
             // not doing. regardless, this'll only be called if this PHP script couldn't open /dev/urandom due to open_basedir
             // restrictions or some such
             if (extension_loaded('mcrypt')) {
-                return mcrypt_create_iv($length, MCRYPT_DEV_URANDOM);
+                return @mcrypt_create_iv($length, MCRYPT_DEV_URANDOM);
             }
         }
         // at this point we have no choice but to use a pure-PHP CSPRNG