diff --git a/glibc.changes b/glibc.changes
index 8871bc1..52efc48 100644
--- a/glibc.changes
+++ b/glibc.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Jun 20 10:02:20 UTC 2019 - Martin Liška <mliska@suse.cz>
+
+- Disable LTO due to a usage of top-level assembler that
+  causes LTO issues (boo#1138807).
+
 -------------------------------------------------------------------
 Wed Jun 12 12:10:59 UTC 2019 - Andreas Schwab <schwab@suse.de>
 
diff --git a/glibc.spec b/glibc.spec
index 86dd169..5e333d0 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -554,6 +554,9 @@ rm -fv sysdeps/powerpc/powerpc32/power4/hp-timing.c sysdeps/powerpc/powerpc32/po
 find . -name configure | xargs touch
 
 %build
+# Disable LTO due to a usage of top-level assembler that
+#  causes LTO issues (boo#1138807).
+%define _lto_cflags %{nil}
 if [ -x /bin/uname.bin ]; then
 	/bin/uname.bin -a
 else