diff --git a/resources/sshd/phabricator-ssh-hook.sh b/resources/sshd/phabricator-ssh-hook.sh
--- a/resources/sshd/phabricator-ssh-hook.sh
+++ b/resources/sshd/phabricator-ssh-hook.sh
@@ -11,4 +11,4 @@
   exit 1
 fi
 
-exec "$ROOT/bin/ssh-auth" $@
+exec "$ROOT/bin/ssh-auth" --sshd-key "$2"
diff --git a/resources/sshd/sshd_config.phabricator.example b/resources/sshd/sshd_config.phabricator.example
--- a/resources/sshd/sshd_config.phabricator.example
+++ b/resources/sshd/sshd_config.phabricator.example
@@ -3,7 +3,7 @@
 
 # NOTE: Edit these to the correct values for your setup.
 
-AuthorizedKeysCommand /usr/libexec/phabricator-ssh-hook.sh
+AuthorizedKeysCommand /usr/libexec/phabricator-ssh-hook.sh %u %k
 AuthorizedKeysCommandUser vcs-user
 AllowUsers vcs-user