diff --git a/functions/mcrypt.xml b/functions/mcrypt.xml
index 668d71dae5..71e684ef70 100644
--- a/functions/mcrypt.xml
+++ b/functions/mcrypt.xml
@@ -60,7 +60,7 @@ $encrypted_data = mcrypt_ecb (MCRYPT_TripleDES, $key, $input, MCRYPT_ENCRYPT);
 $key = "this is a very secret key";
 $input = "Let us meet at 9 o'clock at the secret place.";
 
-$td = mcrypt_module_open (MCRYPT_TripleDES, "", MCRYPT_MODE_ECB);
+$td = mcrypt_module_open (MCRYPT_TripleDES, "", MCRYPT_MODE_ECB, "");
 $iv = mcrypt_create_iv (mcrypt_enc_get_iv_size ($td), MCRYPT_RAND);
 mcrypt_generic_init ($td, $key, $iv);
 $encrypted_data = mcrypt_generic ($td, $input);