diff --git a/python-html2text.changes b/python-html2text.changes
index 84e4eea..18b96c6 100644
--- a/python-html2text.changes
+++ b/python-html2text.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Jun  4 13:09:18 UTC 2025 - Nico Krapp <nico.krapp@suse.com>
+
+- fix usage of libalternatives
+
 -------------------------------------------------------------------
 Tue May 27 16:19:15 UTC 2025 - Markéta Machová <mmachova@suse.com>
 
diff --git a/python-html2text.spec b/python-html2text.spec
index 990d8ca..ef9ea23 100644
--- a/python-html2text.spec
+++ b/python-html2text.spec
@@ -16,6 +16,7 @@
 #
 
 
+%bcond_without libalternatives
 %define upname html2text
 %{?sle15_python_module_pythons}
 Name:           python-%{upname}
@@ -30,10 +31,10 @@ BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module wheel}
+BuildRequires:  alts
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-Requires(post): alts
-Requires(preun): alts
+Requires:       alts
 Provides:       html2text = %{version}-%{release}
 Obsoletes:      html2text < %{version}-%{release}
 BuildArch:      noarch
@@ -60,11 +61,11 @@ rm -r *.egg-info/
 
 %python_clone -a %{buildroot}%{_bindir}/%{upname}
 
-%post
-%python_install_alternative html2text
+%pre
+# Removing old update-alternatives entries.
+%python_libalternatives_reset_alternative <package-name>
 
-%postun
-%python_uninstall_alternative html2text
+# post and postun macro call is not needed with only libalternatives
 
 %check
 %pytest