diff --git a/python-cppclean.changes b/python-cppclean.changes
index a2df1ca..445aa66 100644
--- a/python-cppclean.changes
+++ b/python-cppclean.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Jun  4 14:32:35 UTC 2025 - Felix Stegmeier <felix.stegmeier@suse.com>
+
+- fix usage of libalternatives
+
 -------------------------------------------------------------------
 Fri May 16 12:22:18 UTC 2025 - Markéta Machová <mmachova@suse.com>
 
diff --git a/python-cppclean.spec b/python-cppclean.spec
index 013c807..6c5b1f4 100644
--- a/python-cppclean.spec
+++ b/python-cppclean.spec
@@ -16,6 +16,7 @@
 #
 
 
+%bcond_without libalternatives
 Name:           python-cppclean
 Version:        0.13
 Release:        0
@@ -27,11 +28,11 @@ Source:         https://github.com/myint/cppclean/archive/v%{version}.tar.gz
 BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module wheel}
+BuildRequires:  alts
 BuildRequires:  bash
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-Requires(post): alts
-Requires(postun): alts
+Requires:       alts
 BuildArch:      noarch
 %python_subpackages
 
@@ -56,11 +57,9 @@ considerable extra compiles increasing the edit-compile-run cycle.
 %check
 %python_expand PYTHON=%{__$python} bash test.bash
 
-%post
-%python_install_alternative cppclean
-
-%postun
-%python_uninstall_alternative cppclean
+%pre
+# Removing old update-alternatives entries.
+%python_libalternatives_reset_alternative cppclean
 
 %files %{python_files}
 %license COPYING