diff --git a/contrib/notmuch-mutt/notmuch-mutt b/contrib/notmuch-mutt/notmuch-mutt
index fee165d6..7c125e6e 100755
--- a/contrib/notmuch-mutt/notmuch-mutt
+++ b/contrib/notmuch-mutt/notmuch-mutt
@@ -211,7 +211,7 @@ F</etc/Muttrc>, or a configuration snippet under F</etc/Muttrc.d/>):
           "<enter-command>unset wait_key<enter><pipe-message>notmuch-mutt thread<enter><change-folder-readonly>~/.cache/notmuch/mutt/results<enter><enter-command>set wait_key<enter>" \
           "notmuch: reconstruct thread"
     macro index <F6> \
-          "<enter-command>unset wait_key<enter><pipe-message>notmuch-mutt tag -inbox<enter>" \
+          "<enter-command>unset wait_key<enter><pipe-message>notmuch-mutt tag -- -inbox<enter>" \
           "notmuch: remove message from inbox"
 
 The first macro (activated by <F8>) prompts the user for notmuch search terms
diff --git a/contrib/notmuch-mutt/notmuch-mutt.rc b/contrib/notmuch-mutt/notmuch-mutt.rc
index c0ff000b..b0a38d1a 100644
--- a/contrib/notmuch-mutt/notmuch-mutt.rc
+++ b/contrib/notmuch-mutt/notmuch-mutt.rc
@@ -5,5 +5,5 @@ macro index <F9> \
       "<enter-command>unset wait_key<enter><pipe-message>notmuch-mutt thread<enter><change-folder-readonly>`echo ${XDG_CACHE_HOME:-$HOME/.cache}/notmuch/mutt/results`<enter><enter-command>set wait_key<enter>" \
       "notmuch: reconstruct thread"
 macro index <F6> \
-      "<enter-command>unset wait_key<enter><pipe-message>notmuch-mutt tag -inbox<enter>" \
+      "<enter-command>unset wait_key<enter><pipe-message>notmuch-mutt tag -- -inbox<enter>" \
       "notmuch: remove message from inbox"