diff --git a/python-nose2.changes b/python-nose2.changes
index 00119f9..3d40f49 100644
--- a/python-nose2.changes
+++ b/python-nose2.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Aug 21 10:02:03 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to libalternatives on SLE-16-based and newer systems only
+
 -------------------------------------------------------------------
 Wed Jul 16 13:04:55 UTC 2025 - Markéta Machová <mmachova@suse.com>
 
diff --git a/python-nose2.spec b/python-nose2.spec
index 3390a84..a21a0e9 100644
--- a/python-nose2.spec
+++ b/python-nose2.spec
@@ -16,7 +16,11 @@
 #
 
 
+%if 0%{?suse_version} > 1500
 %bcond_without libalternatives
+%else
+%bcond_with libalternatives
+%endif
 %{?sle15_python_module_pythons}
 Name:           python-nose2
 Version:        0.15.1
@@ -26,18 +30,23 @@ License:        BSD-2-Clause AND Python-2.0
 URL:            https://github.com/nose-devs/nose2
 Source:         https://files.pythonhosted.org/packages/source/n/nose2/nose2-%{version}.tar.gz
 # Required for testsuite. Bring on python-wheel-wheel
-Source1:        https://files.pythonhosted.org/packages/c7/c3/55076fc728723ef927521abaa1955213d094933dc36d4a2008d5101e1af5/wheel-0.42.0-py3-none-any.whl
+Source1:        https://files.pythonhosted.org/packages/c7/w/wheel/wheel-0.42.0-py3-none-any.whl
 BuildRequires:  %{python_module coverage}
 BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module setuptools-wheel}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module wheel}
-BuildRequires:  alts
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-Requires:       alts
 Suggests:       python-coverage
 BuildArch:      noarch
+%if %{with libalternatives}
+BuildRequires:  alts
+Requires:       alts
+%else
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
+%endif
 %python_subpackages
 
 %description
@@ -64,11 +73,17 @@ export LC_CTYPE=C.UTF8
 %{python_expand # nose must test itself in an editable install
 $python -m venv editable-%{$python_bin_suffix} --system-site-packages
 . editable-%{$python_bin_suffix}/bin/activate
-pip install --no-index --find-links /usr/lib/python%{$python_bin_suffix}/wheels  --find-links ../wheels -e .
+pip install --no-index --find-links %{_prefix}/lib/python%{$python_bin_suffix}/wheels  --find-links ../wheels -e .
 nose2 -v --pretty-assert
 deactivate
 }
 
+%post
+%python_install_alternative nose2
+
+%postun
+%python_uninstall_alternative nose2
+
 %pre
 %python_libalternatives_reset_alternative nose2