diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 069751b..37eb7a9 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -993,7 +993,7 @@
 	 * Minimum Length
 	 *
 	 * @param	string
-	 * @param	int
+	 * @param	string
 	 * @return	bool
 	 */
 	public function min_length($str, $val)
@@ -1014,7 +1014,7 @@
 	 * Max Length
 	 *
 	 * @param	string
-	 * @param	int
+	 * @param	string
 	 * @return	bool
 	 */
 	public function max_length($str, $val)
@@ -1045,11 +1045,9 @@
 			return FALSE;
 		}
 
-		$val = (int) $val;
-
 		return (MB_ENABLED === TRUE)
-			? (mb_strlen($str) === $val)
-			: (strlen($str) === $val);
+			? (mb_strlen($str) === intval($val))
+			: (strlen($str) === intval($val));
 	}
 
 	// --------------------------------------------------------------------