diff --git a/exec_borg.sh b/exec_borg.sh
index f6cb27e..3d1048c 100755
--- a/exec_borg.sh
+++ b/exec_borg.sh
@@ -27,6 +27,7 @@ exec systemd-run --quiet --collect --unit=temp-borg-init-sandbox.service \
 	-p "CacheDirectoryMode=550" \
 	-p "PrivateTmp=yes" \
 	-p "ReadOnlyDirectories=/" \
+	-p "ReadWritePaths=/root/.ssh/known_hosts" \
 	-p "EnvironmentFile=/etc/borg/$NAME/config.env" \
 	--setenv=BORG_PASSPHRASE_FD=0 \
 	--setenv=BORG_BASE_DIR=/tmp/ \