diff --git a/modules/system/views/mail/layout-default.htm b/modules/system/views/mail/layout-default.htm
index 2cb895691..171fa62fc 100644
--- a/modules/system/views/mail/layout-default.htm
+++ b/modules/system/views/mail/layout-default.htm
@@ -18,7 +18,7 @@ name = "Default layout"
 
         <!-- Header -->
         {% partial 'header' body %}
-            {{ subject }}
+            {{ subject|raw }}
         {% endpartial %}
 
         <tr>