1 files changed, 1 insertions, 1 deletions

diff --git a/bin/return-assignment b/bin/return-assignment
index b4d4e3a..3175c67 100755
--- a/bin/return-assignment
+++ b/bin/return-assignment
@@ -121,7 +121,7 @@ clean_up_tmp_dir() {
   clean_up_lock_file
 }
 
-tmp_dir="$(mktemp -d)"
+tmp_dir="$(mktemp -d "${work_dir}/tmp.XXXXXX")"
 cd "${tmp_dir}"
 trap clean_up_tmp_dir EXIT