diff --git a/test/T470-missing-headers.sh b/test/T470-missing-headers.sh
index e256c10a..256a885f 100755
--- a/test/T470-missing-headers.sh
+++ b/test/T470-missing-headers.sh
@@ -20,7 +20,7 @@ From: Notmuch Test Suite <test_suite@notmuchmail.org>
 Body
 EOF
 
-NOTMUCH_NEW
+NOTMUCH_NEW >/dev/null
 
 test_begin_subtest "Search: text"
 output=$(notmuch search '*' | notmuch_search_sanitize)