diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 25ccb4c..bfe64fa 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -84,13 +84,13 @@
 	{
 		if (isset($rules['error_prefix']))
 		{
-			$this->_error_prefix = $rules['error_prefix']);
-			unset $rules['error_prefix']);
+			$this->_error_prefix = $rules['error_prefix'];
+			unset($rules['error_prefix']);
 		}
 		if (isset($rules['error_suffix']))
 		{
-			$this->_error_suffix = $rules['error_suffix']);
-			unset $rules['error_suffix']);
+			$this->_error_suffix = $rules['error_suffix'];
+			unset($rules['error_suffix']);
 		}
 	}