diff --git a/perl-namespace-clean.spec b/perl-namespace-clean.spec
index b994693..b8c9ee2 100644
--- a/perl-namespace-clean.spec
+++ b/perl-namespace-clean.spec
@@ -20,7 +20,7 @@
 Name:           perl-namespace-clean
 Version:        0.21
 Release:        1
-License:        GPL+ or Artistic
+License:        GPL-1.0+ or Artistic-1.0
 %define cpan_name namespace-clean
 Summary:        Keep imports and functions out of your namespace
 Url:            http://search.cpan.org/dist/namespace-clean/