diff --git a/.muttrc b/.muttrc
--- a/.muttrc
+++ b/.muttrc
@@ -60,6 +60,7 @@ bind pager R group-reply
 bind pager l list-reply
 
 bind pager <F1> help
+bind index <F5> sync-mailbox
 bind pager / search
 bind pager ? search-reverse
 bind pager n search-next