diff --git a/python-zope-interface.spec b/python-zope-interface.spec
index 122fd98..311c6a2 100644
--- a/python-zope-interface.spec
+++ b/python-zope-interface.spec
@@ -9,7 +9,7 @@ Name:		python-zope-interface
 Version:	6.2
 Release:	%autorelease
 Summary:	Zope 3 Interface Infrastructure
-License:	ZPLv2.1
+License:	ZPL-2.1
 URL:		https://pypi.io/project/zope.interface
 Source0:	https://pypi.io/packages/source/z/zope.interface/zope.interface-%{version}.tar.gz