diff --git a/script.js b/script.js
index bcac300..fed5b66 100644
--- a/script.js
+++ b/script.js
@@ -785,7 +785,8 @@ var REASONS = {
   TEXT_IS_RANDOM_WORDS                  : 1 << 7,
   ATTACHMENT_MATCHES_KNOWN_SPAM         : 1 << 8,
   TEXT_MANUALLY_MARKED_AS_SPAM          : 1 << 9,
-  ATTACHMENT_MANUALLY_MARKED_AS_SPAM    : 1 << 10
+  ATTACHMENT_MANUALLY_MARKED_AS_SPAM    : 1 << 10,
+  ILLEGAL_ATTACHMENT                    : 1 << 11,
 };
 
 function reasonsFromBitmap(n) {