diff --git a/contrib/source-control-tools/apply-revision.sh b/contrib/source-control-tools/apply-revision.sh
index ca203468d..fd8a8e719 100755
--- a/contrib/source-control-tools/apply-revision.sh
+++ b/contrib/source-control-tools/apply-revision.sh
@@ -1,64 +1,72 @@
 #!/usr/bin/env bash
 # Copyright (c) 2020 The Bitcoin developers
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 export LC_ALL=C.UTF-8
 
 set -euxo pipefail
 
 help_message() {
   cat <<EOF
 Usage:
 $0 [options] revision_id
 Apply a Differential revision to master and do various sanity checks to ensure
 that it can be landed safely.
 
 revision_id               The Differential revision ID (ex: D1234)
 
 Options:
   -h, --help              Display this help message.
 
 Environment Variables:
   CONDUIT_TOKEN           (required) Conduit token to use when landing the patch. This allows
                             landing a patch as a particular Phabricator user.
 EOF
 }
 
 # Parse command line arguments
 while [[ $# -gt 0 ]]; do
 case $1 in
   -h|--help)
     help_message
     exit 0
     ;;
   *)
     if [ $# -gt 1 ]; then
       echo "Error: Unrecognized argument: '$1'"
       help_message
       exit 1
     fi
     break
     ;;
 esac
 done
 
 REVISION="$1"
 
 TOPLEVEL=$(git rev-parse --show-toplevel)
 "${TOPLEVEL}"/contrib/source-control-tools/check-revision-accepted.sh "${REVISION}"
 
 # IMPORTANT NOTE: The patch is trusted past this point because it has been reviewed
 # and accepted. That includes any changes that may affect this script.
 
 # shellcheck source=sanitize-conduit-token.sh
 source "${TOPLEVEL}"/contrib/source-control-tools/sanitize-conduit-token.sh
 
 # Pull the patch from Phabricator and rebase it on latest master
 "${TOPLEVEL}"/contrib/source-control-tools/autopatch.sh --revision "${REVISION}"
 
 # Stop logging verbosely to prevent leaking CONDUIT_TOKEN
 set +x
 # Check that the revision is ready to land (tests passed, etc.)
 : | arc land --hold --revision "${REVISION}" --conduit-token "${CONDUIT_TOKEN}"
 set -x
+
+# `arc land --hold` still detaches the git HEAD. master should contain the
+# changes we expect to land, so switch back to it.
+if [ -n "$(git diff HEAD master)" ]; then
+  echo "Error: Unexpected mismatch between HEAD and master"
+  exit 10
+fi
+git checkout master --