diff --git a/python-peewee.changes b/python-peewee.changes
index 1538d7e..903583b 100644
--- a/python-peewee.changes
+++ b/python-peewee.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Aug 21 15:33:41 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to libalternatives on SLE-16-based and newer systems only
+
 -------------------------------------------------------------------
 Mon Jul 21 03:14:08 UTC 2025 - Steve Kowalik <steven.kowalik@suse.com>
 
diff --git a/python-peewee.spec b/python-peewee.spec
index 3cb0e33..451cdd7 100644
--- a/python-peewee.spec
+++ b/python-peewee.spec
@@ -16,7 +16,11 @@
 #
 
 
+%if 0%{?suse_version} > 1500
 %bcond_without libalternatives
+%else
+%bcond_with libalternatives
+%endif
 %{?sle15_python_module_pythons}
 Name:           python-peewee
 Version:        3.18.2
@@ -32,13 +36,18 @@ BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module wheel}
 BuildRequires:  %{pythons}
-BuildRequires:  alts
 BuildRequires:  fdupes
 BuildRequires:  pkgconfig
 BuildRequires:  python-rpm-macros
 BuildRequires:  unzip
 BuildRequires:  pkgconfig(sqlite3)
+%if %{with libalternatives}
+BuildRequires:  alts
 Requires:       alts
+%else
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
+%endif
 %if 0%{?suse_version} > 1500
 BuildRequires:  %{python_module apsw}
 %endif
@@ -65,6 +74,12 @@ sed -i -e '1{\@^#! *%{_bindir}.*python@d}' %{buildroot}%{$python_sitearch}/pwiz.
 %check
 %pytest_arch tests
 
+%post
+%python_install_alternative pwiz.py
+
+%postun
+%python_uninstall_alternative pwiz.py
+
 %pre
 %python_libalternatives_reset_alternative pwiz.py