1 files changed, 1 insertions, 1 deletions

diff --git a/bin/sanity-check b/bin/sanity-check
index 6e78928..65ac5f3 100755
--- a/bin/sanity-check
+++ b/bin/sanity-check
@@ -98,7 +98,7 @@ finish() {
   rm -rf --one-file-system "${tmp_dir}"
 }
 
-tmp_dir=$(mktemp -d)
+tmp_dir=$(mktemp -d 'tmp.sanity-check.XXXXXXXXXX' --tmpdir)
 touch "${tmp_dir}/messages"
 trap 'finish' EXIT