diff --git a/t/t7900-maintenance.sh b/t/t7900-maintenance.sh
index 4bbfce31e9..99bf0c7582 100755
--- a/t/t7900-maintenance.sh
+++ b/t/t7900-maintenance.sh
@@ -446,6 +446,15 @@ test_expect_success 'start preserves existing schedule' '
 	grep "Important information!" cron.txt
 '
 
+test_expect_success 'magic markers are correct' '
+	grep "GIT MAINTENANCE SCHEDULE" cron.txt >actual &&
+	cat >expect <<-\EOF &&
+	# BEGIN GIT MAINTENANCE SCHEDULE
+	# END GIT MAINTENANCE SCHEDULE
+	EOF
+	test_cmp actual expect
+'
+
 test_expect_success 'stop preserves surrounding schedule' '
 	echo "Crucial information!" >>cron.txt &&
 	GIT_TEST_CRONTAB="test-tool crontab cron.txt" git maintenance stop &&