diff --git a/python-cx_Freeze.changes b/python-cx_Freeze.changes
index 02ac507..fe89bcd 100644
--- a/python-cx_Freeze.changes
+++ b/python-cx_Freeze.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Sep 13 14:55:04 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
+
+- Conflict with python2-cx_Freeze as we are no longer update-alternatives
+  set up package but provide only py3 variant
+
 -------------------------------------------------------------------
 Fri Sep 13 13:27:50 UTC 2019 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/python-cx_Freeze.spec b/python-cx_Freeze.spec
index 79219ae..c295e5d 100644
--- a/python-cx_Freeze.spec
+++ b/python-cx_Freeze.spec
@@ -18,6 +18,7 @@
 
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 %define skip_python2 1
+%define oldpython python
 Name:           python-cx_Freeze
 Version:        6.0
 Release:        0
@@ -36,6 +37,8 @@ BuildRequires:  %{python_module setuptools}
 BuildRequires:  chrpath
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
+# we provide same binary like the deprecated py2 variant
+Conflicts:      %{oldpython}-cx_Freeze
 %python_subpackages
 
 %description