diff --git a/mailboxes/boxes-lib.pl b/mailboxes/boxes-lib.pl
index b6b48b90c..855f7d315 100755
--- a/mailboxes/boxes-lib.pl
+++ b/mailboxes/boxes-lib.pl
@@ -1530,7 +1530,7 @@ return $noescape ? $rv : &html_escape($rv);
 # Simplifies and truncates a subject header for display in the mail list
 sub simplify_subject
 {
-return &convert_header_for_display($_[0], int($in{'simplify-subject-length'}) || 320);
+return &convert_header_for_display($_[0], int($in{'simplify-subject-length'}) || 120);
 }
 
 # quoted_decode(text)