diff --git a/check-migrations.sh b/check-migrations.sh
index 4e71f5a..ea0e143 100755
--- a/check-migrations.sh
+++ b/check-migrations.sh
@@ -2,10 +2,10 @@
 
 set -e
 
-trap "rm -f ${TEMPFILE} ${CHECK_MIGRATIONS_SETTINGS}" EXIT
 
 # https://stackoverflow.com/questions/49778988/makemigrations-in-dev-machine-without-database-instance
-CHECK_MIGRATIONS_SETTINGS=`tempfile`
+CHECK_MIGRATIONS_SETTINGS=`mktemp`
+trap "rm -f ${CHECK_MIGRATIONS_SETTINGS}" EXIT
 cat <<EOF >${CHECK_MIGRATIONS_SETTINGS}
 DATABASES = {
     'default': {
@@ -13,7 +13,8 @@ DATABASES = {
     }
 }
 EOF
-TEMPFILE=`tempfile`
+TEMPFILE=`mktemp`
+trap "rm -f ${TEMPFILE} ${CHECK_MIGRATIONS_SETTINGS}" EXIT
 
 DJANGO_SETTINGS_MODULE=authentic2.settings AUTHENTIC2_SETTINGS_FILE=${CHECK_MIGRATIONS_SETTINGS}  django-admin makemigrations --dry-run --noinput authentic2_cut >${TEMPFILE} 2>&1 || true