diff --git a/vendors/shells/vault.php b/vendors/shells/vault.php
index 9c4fa26c..7e75537e 100755
--- a/vendors/shells/vault.php
+++ b/vendors/shells/vault.php
@@ -253,7 +253,7 @@ class VaultShell extends Shell {
 
 		$newEmail['Email']['udate'] = $unix_time;
 
-		$allowedChars = array('@', ';', ':', '.', '$', '%', '*','#','!',',','[', ']',' ','{','}','|', '(', ')');
+		$allowedChars = array('@', ';', ':', '.', '$', '%', '*','#','!',',','[', ']',' ','{','}','|', '(', ')', '-');
 		$newEmail['Email']['subject'] = Sanitize::paranoid($subjDecoded[0]->text, $allowedChars);
 		$newEmail['Email']['filename'] = $email_filename;