diff --git a/tcl.spec b/tcl.spec
index 61d0769..ae64e7e 100644
--- a/tcl.spec
+++ b/tcl.spec
@@ -5,7 +5,7 @@
 Summary: Tool Command Language, pronounced tickle
 Name: tcl
 Version: %{vers}
-Release: 4%{?dist}
+Release: 5%{?dist}
 Epoch: 1
 License: TCL
 URL: http://tcl.sourceforge.net/
@@ -68,10 +68,6 @@ chmod -x generic/tclStrToD.c
 %patch3 -p1 -b .tcltests-path-fix
 
 %build
-# This package has static probes which do not work with LTO
-# Disable LTO
-%define _lto_cflags %{nil}
-
 pushd unix
 autoconf
 %configure \
@@ -147,12 +143,15 @@ rm -rf %{buildroot}/%{_datadir}/%{name}%{majorver}/ldAix
 %{_datadir}/%{name}%{majorver}/tclAppInit.c
 
 %changelog
+* Thu Aug 20 2020 Jeff Law <law@redhat.com> - 1:8.6.10-5
+- Re-enable LTO
+
 * Tue Jul 14 2020 Tom Stellard <tstellar@redhat.com> - 1:8.6.10-4
 - Use make macros
 - https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro
 
 * Tue Jun 30 2020 Jeff Law <law@redhat.com> - 1:8.6.10-3
-Disable LTO
+- Disable LTO
 
 * Wed May 13 2020 Jaroslav Škarvada <jskarvad@redhat.com> - 1:8.6.10-2
 - Fixed tcltests path