diff --git a/python-mailman-hyperkitty.changes b/python-mailman-hyperkitty.changes
index 24419e7..552fed7 100644
--- a/python-mailman-hyperkitty.changes
+++ b/python-mailman-hyperkitty.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue May  4 09:36:18 UTC 2021 - Ben Greiner <code@bnavigator.de>
+
+- restrict to primary python3 flavor due to mailman 
+
 -------------------------------------------------------------------
 Mon Dec  2 10:47:15 UTC 2019 - pgajdos@suse.com
 
diff --git a/python-mailman-hyperkitty.spec b/python-mailman-hyperkitty.spec
index c0d4726..508f3a0 100644
--- a/python-mailman-hyperkitty.spec
+++ b/python-mailman-hyperkitty.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-mailman-hyperkitty
 #
-# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
+# 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
@@ -16,8 +16,9 @@
 #
 
 
-%{?!python_module:%define python_module() python-%{**} python3-%{**}}
-%define skip_python2 1
+%{?!python_module:%define python_module() python3-%{**}}
+# mailman is built only for primary python3 flavor
+%define pythons python3
 Name:           python-mailman-hyperkitty
 Version:        1.1.0
 Release:        0
@@ -43,6 +44,11 @@ BuildRequires:  %{python_module requests}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module zope.interface}
 # /SECTION
+%if 0%{python3_version_nodots} == 38
+# help in replacing any previously installed multiflavor package back to the primary python3 package
+Provides:       python38-mailman-hyperkitty = %{version}-%{release}
+Obsoletes:      python38-mailman-hyperkitty < %{version}-%{release}
+%endif
 %python_subpackages
 
 %description