diff --git a/python-chardet.changes b/python-chardet.changes
index 40e79c8..714cbf4 100644
--- a/python-chardet.changes
+++ b/python-chardet.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue May 15 07:02:02 UTC 2018 - antoine.belvire@opensuse.org
+
+- Fix update-alternatives call in %postun.
+
 -------------------------------------------------------------------
 Wed Sep 20 21:47:30 UTC 2017 - dmueller@suse.com
 
diff --git a/python-chardet.spec b/python-chardet.spec
index 007b9b7..62c6df6 100644
--- a/python-chardet.spec
+++ b/python-chardet.spec
@@ -90,7 +90,7 @@ mv %{buildroot}%{_bindir}/chardetect %{buildroot}%{_bindir}/chardetect-%{$python
 %python_install_alternative chardetect
 
 %postun
-%python_install_alternative chardetect
+%python_uninstall_alternative chardetect
 
 %files %{python_files}
 %defattr(-,root,root,-)