diff --git a/python-cbor2.changes b/python-cbor2.changes
index 5bb8fd9..d51966d 100644
--- a/python-cbor2.changes
+++ b/python-cbor2.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Mar  9 08:31:26 UTC 2020 - Tomáš Chvátal <tchvatal@suse.com>
+
+- On python3 this package is compiled, so mark it such
+
 -------------------------------------------------------------------
 Fri Jan 24 13:45:03 UTC 2020 - Marketa Calabkova <mcalabkova@suse.com>
 
diff --git a/python-cbor2.spec b/python-cbor2.spec
index 8c6bf07..8e83552 100644
--- a/python-cbor2.spec
+++ b/python-cbor2.spec
@@ -22,15 +22,14 @@ Version:        5.0.1
 Release:        0
 Summary:        Pure Python CBOR (de)serializer with extensive tag support
 License:        MIT
-Group:          Development/Languages/Python
 URL:            https://github.com/agronholm/cbor2
 Source:         https://files.pythonhosted.org/packages/source/c/cbor2/cbor2-%{version}.tar.gz
+BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module setuptools >= 36.2.7}
 BuildRequires:  %{python_module setuptools_scm >= 1.7.0}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-BuildArch:      noarch
 %python_subpackages
 
 %description
@@ -52,11 +51,16 @@ export LANG=en_US.UTF8
 
 %check
 export LANG=en_US.UTF8
-%python_exec -m pytest
+%pytest
 
 %files %{python_files}
 %doc README.rst
 %license LICENSE.txt
+%ifpython2
 %{python_sitelib}/*
+%endif
+%ifpython3
+%{python_sitearch}/*
+%endif
 
 %changelog