X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=lib%2Fdatabase.cc;h=2b5b64dffd9bf0499a0ca70534eba115366610b3;hp=8641321511bd12c85eac6e1c91fe9c486d92e4c5;hb=e0a8dee8bcf0785325c07fff5a11e8ec494826db;hpb=9439b217c349478b3603d5368f534acb1cd23974

diff --git a/lib/database.cc b/lib/database.cc
index 86413215..2b5b64df 100644
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -1306,7 +1306,7 @@ _notmuch_database_generate_thread_id (notmuch_database_t *notmuch)
 
     notmuch->last_thread_id++;
 
-    sprintf (thread_id, "%016llx", notmuch->last_thread_id);
+    sprintf (thread_id, "%016" PRIx64, notmuch->last_thread_id);
 
     db->set_metadata ("last_thread_id", thread_id);