diff --git a/tcl.changes b/tcl.changes
index 0732fdf..e12541b 100644
--- a/tcl.changes
+++ b/tcl.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Jun 20 09:36:20 UTC 2019 - Martin Liška <mliska@suse.cz>
+
+- Use FAT LTO objects in order to provide proper static
+  library (boo#1138797).
+
 -------------------------------------------------------------------
 Thu Jan 17 09:22:56 UTC 2019 - Reinhard Max <max@suse.com>
 
diff --git a/tcl.spec b/tcl.spec
index 5d91c3f..06acc84 100644
--- a/tcl.spec
+++ b/tcl.spec
@@ -84,6 +84,7 @@ the Tcl language itself.
 %patch0
 
 %build
+%global _lto_cflags %{_lto_cflags} -ffat-lto-objects
 cd unix
 autoconf
 %configure \