diff --git a/gtk-doc.spec b/gtk-doc.spec
index c02164e..aeee0a4 100644
--- a/gtk-doc.spec
+++ b/gtk-doc.spec
@@ -20,7 +20,7 @@
 Name:           gtk-doc
 Version:        1.18
 Release:        1
-License:        GPLv2+
+License:        GPL-2.0+
 Summary:        GTK+ DocBook Documentation Generator
 Group:          Productivity/Publishing/SGML
 Source:         http://download.gnome.org/sources/gtk-doc/1.18/%{name}-%{version}.tar.bz2