--- cpan2rpm-2.028/cpan2rpm	2017-12-20 19:02:09.000000000 +0000

+++ cpan2rpm-2.028/cpan2rpm	2017-12-20 19:02:51.432272676 +0000

@@ -1358,8 +1358,8 @@

         # e.g. %_specdir = "%{name}-%{version}"

         my $x = $_;

-        s/%{?name?}/$info{name}/i if $info{name};

-        s/%{?version?}/$info{version}/i if $info{version};

+        s/%\{?name?\}/$info{name}/i if $info{name};

+        s/%\{?version?\}/$info{version}/i if $info{version};

         mkdir($_, 0755) unless $x eq $_ || -d $_;

         $RPMDIR{$k} = $_;