diff --git a/test/multipart b/test/multipart
index 0fd1c7e2..3d02322f 100755
--- a/test/multipart
+++ b/test/multipart
@@ -491,6 +491,8 @@ EOF
 test_expect_equal_file OUTPUT EXPECTED
 
 test_begin_subtest "--format=raw --part=3, rfc822 part"
+test_subtest_known_broken
+
 notmuch show --format=raw --part=3 'id:87liy5ap00.fsf@yoom.home.cworth.org' >OUTPUT
 test_expect_equal_file OUTPUT embedded_message