diff --git a/python-libnacl.spec b/python-libnacl.spec
index f614547..30ac421 100644
--- a/python-libnacl.spec
+++ b/python-libnacl.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-libnacl
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -23,7 +23,7 @@ Release:        0
 Summary:        Python bindings for libsodium based on ctypes
 License:        Apache-2.0
 URL:            https://github.com/saltstack/libnacl
-Source0:        https://github.com/saltstack/libnacl/archive/libnacl-%{version}.tar.gz
+Source0:        https://github.com/saltstack/libnacl/archive/v%{version}.tar.gz#/libnacl-%{version}.tar.gz
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes