diff --git a/perl-LWP-Protocol-https.spec b/perl-LWP-Protocol-https.spec
index fcdaddc..1359909 100644
--- a/perl-LWP-Protocol-https.spec
+++ b/perl-LWP-Protocol-https.spec
@@ -74,7 +74,7 @@ perl Makefile.PL NO_PACKLIST=1 NO_PERLLOCAL=1 INSTALLDIRS=vendor
 
 %install
 %{make_install}
-%{_fixperms} $RPM_BUILD_ROOT/*
+%{_fixperms} %{buildroot}/*
 
 %check
 make test