diff --git a/exim-4.12-tail.patch b/exim-4.12-tail.patch
index 7f95543..0299b5f 100644
--- a/exim-4.12-tail.patch
+++ b/exim-4.12-tail.patch
@@ -1,3 +1,8 @@
+From: Ruediger Oertel <ro at suse dot de>
+Subject: fix deprecated tail call syntax (-1)
+Reported-Upstream: Yes
+Bugtracker: bugs.exim.org 1080
+
 Index: scripts/Configure-config.h
 ===================================================================
 --- scripts/Configure-config.h.orig