diff --git a/schily.changes b/schily.changes
index a7914cb..97d289b 100644
--- a/schily.changes
+++ b/schily.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Jul 11 17:42:58 UTC 2019 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Disable LTO: mkisofs makes weird memory accesses otherwise
+  (boo#1141188).
+
 -------------------------------------------------------------------
 Fri Jun 14 07:18:30 UTC 2019 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/schily.spec b/schily.spec
index a47f5dc..668ecb0 100644
--- a/schily.spec
+++ b/schily.spec
@@ -453,6 +453,7 @@ find . "(" -type d -o -type f ")" -exec chmod u+w "{}" "+"
 cp %{SOURCE1} .
 
 %build
+%define _lto_cflags %{nil}
 perl -i -pe 's{\@echo}{echo}' RULES/cc-*
 # Static link libhfs, only used by mkisofs.
 rm -fv libhfs_iso/shlhfs.mk