diff --git a/system/helpers/inflector_helper.php b/system/helpers/inflector_helper.php
index 3d9acfc..88f48d4 100644
--- a/system/helpers/inflector_helper.php
+++ b/system/helpers/inflector_helper.php
@@ -93,7 +93,7 @@
 		}
 		elseif ($end == 'h')
 		{
-			if (substr($str, -2) == 'ch' || substr($str, -2) == 'sh')
+			if (substr($str, -2) == 'ch' OR substr($str, -2) == 'sh')
 			{
 				$str .= 'es';
 			}