diff --git a/app/assets/javascripts/app/lib/app_post/utils.coffee b/app/assets/javascripts/app/lib/app_post/utils.coffee
index d9d99a8eb..806c24e5b 100644
--- a/app/assets/javascripts/app/lib/app_post/utils.coffee
+++ b/app/assets/javascripts/app/lib/app_post/utils.coffee
@@ -541,7 +541,7 @@ class App.Utils
   @checkAttachmentReference: (message) ->
     return false if !message
     return true if message.match(/attachment/i)
-    matchwords = ['Attachment', 'attachment', 'Attached', 'attached', 'Enclosed', 'enclosed']
+    matchwords = ['Attachment', 'attachment', 'Attached', 'attached', 'Enclosed', 'enclosed', 'Enclosure', 'enclosure']
     for word in matchwords
 
       # en