diff --git a/python-bottle.changes b/python-bottle.changes
index 2b9fd6a..b33eef0 100644
--- a/python-bottle.changes
+++ b/python-bottle.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Apr 14 11:52:22 UTC 2020 - Matej Cepl <mcepl@suse.com>
+
+- Don't use %python3_only command, but properly use alternatives.
+
 -------------------------------------------------------------------
 Wed Apr  8 12:04:22 UTC 2020 - Tomáš Chvátal <tchvatal@suse.com>
 
diff --git a/python-bottle.spec b/python-bottle.spec
index 650d451..e1fd98d 100644
--- a/python-bottle.spec
+++ b/python-bottle.spec
@@ -41,6 +41,8 @@ no dependencies other than the Python Standard Library.
 %package -n %{name}-doc
 Summary:        Documentation for %{name}
 Provides:       %{python_module bottle-doc = %{version}}
+Requires(post):   update-alternatives
+Requires(postun):  update-alternatives
 
 %description -n %{name}-doc
 Bottle is a micro-framework for small web applications. It offers
@@ -63,13 +65,18 @@ chmod -x bottle.egg-info/*
 
 %install
 %python_install
-%python_clone %{buildroot}%{_bindir}/bottle.py
+%python_clone -a %{buildroot}%{_bindir}/bottle.py
+
+%post
+%python_install_alternative bottle.py
+
+%postun
+%python_uninstall_alternative bottle.py
 
 %files %{python_files}
 %license LICENSE
 %doc README.rst
-%{_bindir}/bottle.py-%{python_bin_suffix}
-%python3_only %{_bindir}/bottle.py
+%python_alternative %{_bindir}/bottle.py
 %{python_sitelib}/bottle.py*
 %pycache_only %{python_sitelib}/__pycache__
 %{python_sitelib}/bottle-%{version}-py%{python_version}.egg-info