diff --git a/misc/Container/mailbox.arc b/misc/Container/mailbox.arc
index 3cc9ff4c5..883b301c9 100644
--- a/misc/Container/mailbox.arc
+++ b/misc/Container/mailbox.arc
@@ -8,6 +8,7 @@ value 50
 container 1500
 weight 4000
 identified 1
+no_pick 1
 end
 Object close_mail
 name close the mailbox