diff --git a/python-OWSLib.spec b/python-OWSLib.spec
index 479a5cb..c25a5e9 100644
--- a/python-OWSLib.spec
+++ b/python-OWSLib.spec
@@ -15,7 +15,8 @@ Summary:        Client library for OGC web services
 
 License:        BSD-3-Clause
 URL:            https://geopython.github.io/OWSLib
-Source0:        https://github.com/geopython/OWSLib/archive/%{version}/OWSLib-%{version}.tar.gz
+%global forgeurl https://github.com/geopython/OWSLib
+Source0:        %{forgeurl}/archive/%{version}/OWSLib-%{version}.tar.gz
 
 BuildArch:      noarch