diff --git a/system/libraries/Encrypt.php b/system/libraries/Encrypt.php
index 63e3bb5..8cb4b1b 100644
--- a/system/libraries/Encrypt.php
+++ b/system/libraries/Encrypt.php
@@ -180,7 +180,6 @@
 
 		$key = $this->get_key($key);
 		$dec = base64_decode($string);
-
 		if (($dec = $this->mcrypt_decode($dec, $key)) === FALSE)
 		{
 			return FALSE;
@@ -419,7 +418,7 @@
 	{
 		if ($this->_mcrypt_cipher == '')
 		{
-			$this->_mcrypt_cipher = MCRYPT_RIJNDAEL_256;
+			return $this->_mcrypt_cipher = MCRYPT_RIJNDAEL_256;
 		}
 
 		return $this->_mcrypt_cipher;
@@ -436,7 +435,7 @@
 	{
 		if ($this->_mcrypt_mode == '')
 		{
-			$this->_mcrypt_mode = MCRYPT_MODE_CBC;
+			return $this->_mcrypt_mode = MCRYPT_MODE_CBC;
 		}
 
 		return $this->_mcrypt_mode;