diff --git a/application/views/system/messages/htmlWriteTemplate.php b/application/views/system/messages/htmlWriteTemplate.php
index b6876dc91..199a88cfa 100644
--- a/application/views/system/messages/htmlWriteTemplate.php
+++ b/application/views/system/messages/htmlWriteTemplate.php
@@ -89,7 +89,7 @@
 										array(
 											'name' => 'variables[]',
 											'id' => 'variables',
-											'size' => 27,
+											'size' => count($variables),
 											'multiple' => true
 										)
 									);