diff --git a/libguestfs.changes b/libguestfs.changes
index 66f817b..7ba8a23 100644
--- a/libguestfs.changes
+++ b/libguestfs.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Aug  8 08:09:37 UTC 2019 - ohering@suse.de
+
+- disable lto
+
 -------------------------------------------------------------------
 Wed Jun 12 14:22:29 UTC 2019 - Dominique Leuenberger <dimstar@opensuse.org>
 
diff --git a/libguestfs.spec b/libguestfs.spec
index 7cd82bb..7e24cc5 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -22,6 +22,7 @@ Version:        1.38.0
 Release:        0
 %{ocaml_preserve_bytecode}
 
+%define _lto_cflags %{nil}
 %bcond_without ocaml_bindings
 %bcond_without lua_bindings
 %bcond_without python_bindings