diff --git a/perl-MRO-Compat.spec b/perl-MRO-Compat.spec
index 9b9c7d0..4e6f4ca 100644
--- a/perl-MRO-Compat.spec
+++ b/perl-MRO-Compat.spec
@@ -1,9 +1,13 @@
 # MRO is part of the Perl core since 5.9.5
-%global mro_in_core %(perl -e 'print $] > 5.009005 ? 1 : 0;')
+%if 0%{?rhel} && (0%{?rhel} < 6)
+%global mro_in_core 0
+%else
+%global mro_in_core 1
+%endif
 
 Name:		perl-MRO-Compat
 Version:	0.12
-Release:	11%{?dist}
+Release:	12%{?dist}
 Summary:	Mro::* interface compatibility for Perls < 5.9.5
 License:	GPL+ or Artistic
 Group:		Development/Libraries
@@ -75,6 +79,9 @@ rm -rf %{buildroot}
 %{_mandir}/man3/MRO::Compat.3pm*
 
 %changelog
+* Fri Jul 22 2016 Petr Pisar <ppisar@redhat.com> - 0.12-12
+- Use distribution instead of perl version to control build-requires
+
 * Sun May 15 2016 Jitka Plesnikova <jplesnik@redhat.com> - 0.12-11
 - Perl 5.24 rebuild