diff --git a/python-zope-interface.spec b/python-zope-interface.spec
index 8a35b11..55dea89 100644
--- a/python-zope-interface.spec
+++ b/python-zope-interface.spec
@@ -2,12 +2,12 @@
 
 Name:		python-zope-interface
 Version:	3.5.1
-Release:	1%{?dist}
+Release:	2%{?dist}
 Summary:	Zope 3 Interface Infrastructure
 Group:		Development/Libraries
 License:	ZPLv2.1
 URL:		http://pypi.python.org/pypi/zope.interface
-Source0:	http://pypi.python.org/packages/source/z/zope.interface/zope.interface-%{version}.zip
+Source0:	http://pypi.python.org/packages/source/z/zope.interface/zope.interface-%{version}.tar.gz
 Source1:	ZPL-2.1.txt
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires:	python-devel
@@ -58,6 +58,9 @@ CFLAGS="%{optflags}" %{__python} setup.py build
 %{python_sitearch}/zope.interface*
 
 %changelog
+* Sun Apr 05 2009 Felix Schwarz <felix.schwarz@oss.schwarz.eu> 3.5.1-2
+- use correct source filename (upstream switched from zip to tar.gz)
+
 * Sun Apr 05 2009 Felix Schwarz <felix.schwarz@oss.schwarz.eu> 3.5.1-1
 - update to 3.5.1