diff --git a/lib/index.cc b/lib/index.cc
index 0beaae62..ceb444df 100644
--- a/lib/index.cc
+++ b/lib/index.cc
@@ -409,7 +409,14 @@ _index_mime_part (notmuch_message_t *message,
 		}
 	    }
 	    if (GMIME_IS_MULTIPART_ENCRYPTED (multipart)) {
-		/* Don't index encrypted parts. */
+		/* Don't index encrypted parts, but index their content type. */
+		_index_content_type (message,
+				     g_mime_multipart_get_part (multipart, i));
+		if ((i != GMIME_MULTIPART_ENCRYPTED_VERSION) &&
+		    (i != GMIME_MULTIPART_ENCRYPTED_CONTENT)) {
+		    _notmuch_database_log (_notmuch_message_database (message),
+					   "Warning: Unexpected extra parts of multipart/encrypted.\n");
+		}
 		continue;
 	    }
 	    _index_mime_part (message,
diff --git a/test/T350-crypto.sh b/test/T350-crypto.sh
index b8f86256..53bf4113 100755
--- a/test/T350-crypto.sh
+++ b/test/T350-crypto.sh
@@ -236,7 +236,6 @@ test_expect_success \
     "(mml-attach-file \"TESTATTACHMENT\") (mml-secure-message-encrypt)"'
 
 test_begin_subtest "encrypted part content-type indexing"
-test_subtest_known_broken
 output=$(notmuch search mimetype:multipart/encrypted and mimetype:application/pgp-encrypted and mimetype:application/octet-stream | notmuch_search_sanitize)
 test_expect_equal "$output" "thread:XXX   2000-01-01 [1/1] Notmuch Test Suite; test encrypted message 001 (encrypted inbox)"