diff --git a/test/T020-compact.sh b/test/T020-compact.sh
index 02f8738f..d77db00d 100755
--- a/test/T020-compact.sh
+++ b/test/T020-compact.sh
@@ -11,7 +11,7 @@ notmuch tag +tag2 subject:Two
 notmuch tag -tag1 +tag3 subject:Three
 
 test_begin_subtest "Running compact"
-test_expect_success "notmuch compact --backup=${TEST_DIRECTORY}/xapian.old"
+test_expect_success "notmuch compact --backup=${TMP_DIRECTORY}/xapian.old"
 
 test_begin_subtest "Compact preserves database"
 output=$(notmuch search \* | notmuch_search_sanitize)
@@ -22,7 +22,7 @@ thread:XXX   2001-01-05 [1/1] Notmuch Test Suite; Three (inbox tag3 unread)"
 
 test_begin_subtest "Restoring Backup"
 test_expect_success 'rm -Rf ${MAIL_DIR}/.notmuch/xapian &&
-     mv ${TEST_DIRECTORY}/xapian.old ${MAIL_DIR}/.notmuch/xapian'
+     mv ${TMP_DIRECTORY}/xapian.old ${MAIL_DIR}/.notmuch/xapian'
 
 test_begin_subtest "Checking restored backup"
 output=$(notmuch search \* | notmuch_search_sanitize)