X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=lib%2Fdatabase.cc;h=ce9a86bfddb8b525a19ecefe27d443bb803a8d01;hp=65478b8a30c4ec217c293c95675d0090afa25dba;hb=fc3a3be33716675a4169ab4265a28250764b283d;hpb=024cdf8e3c2e6dd54687c814703e800788b2eebc

diff --git a/lib/database.cc b/lib/database.cc
index 65478b8a..ce9a86bf 100644
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -726,7 +726,8 @@ _notmuch_database_link_message_to_parents (notmuch_database_t *notmuch,
 
     /* Carefully avoid adding any self-referential in-reply-to term. */
     in_reply_to_message_id = _parse_message_id (message, in_reply_to, NULL);
-    if (strcmp (in_reply_to_message_id,
+    if (in_reply_to_message_id &&
+	strcmp (in_reply_to_message_id,
 		notmuch_message_get_message_id (message)))
     {
 	_notmuch_message_add_term (message, "replyto",