diff --git a/cgnslib.spec b/cgnslib.spec
index 587605a..d935ed2 100644
--- a/cgnslib.spec
+++ b/cgnslib.spec
@@ -4,7 +4,7 @@ Release:        1%{?dist}
 Summary:        Computational Fluid Dynamics General Notation System
 License:        zlib
 URL:            http://www.cgns.org/
-Source:         http://download.sourceforge.net/project/cgns/cgnslib_3.2/cgnslib_%{version}.tar.gz
+Source0:        http://download.sourceforge.net/project/cgns/cgnslib_3.2/cgnslib_%{version}.tar.gz
 BuildRequires:  cmake
 BuildRequires:  gcc-gfortran
 BuildRequires:  hdf5-devel