diff --git a/system/helpers/inflector_helper.php b/system/helpers/inflector_helper.php
index d8ed45d..f289005 100644
--- a/system/helpers/inflector_helper.php
+++ b/system/helpers/inflector_helper.php
@@ -133,6 +133,7 @@
 		}
 
 		$plural_rules = array(
+			'/(quiz)$/'                => '\1zes',      // quizzes
 			'/^(ox)$/'                 => '\1\2en',     // ox
 			'/([m|l])ouse$/'           => '\1ice',      // mouse, louse
 			'/(matr|vert|ind)ix|ex$/'  => '\1ices',     // matrix, vertex, index