diff --git a/python-future.changes b/python-future.changes
index f93fd4d..9693b60 100644
--- a/python-future.changes
+++ b/python-future.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Sep 21 15:56:12 UTC 2016 - okurz@suse.com
+
+- Fix rpm uninstall warnings by removing alternatives in postun as
+  discussed in https://build.opensuse.org/request/show/427095
+
 -------------------------------------------------------------------
 Thu Sep 15 15:18:21 UTC 2016 - toddrme2178@gmail.com
 
diff --git a/python-future.spec b/python-future.spec
index 0dbd856..837e25b 100644
--- a/python-future.spec
+++ b/python-future.spec
@@ -28,7 +28,7 @@ BuildRequires:  fdupes
 BuildRequires:  python-devel
 BuildRequires:  python-setuptools
 Requires(post): update-alternatives
-Requires(preun): update-alternatives
+Requires(postun): update-alternatives
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 %if 0%{?suse_version} && 0%{?suse_version} <= 1110
 %{!?python_sitelib: %global python_sitelib %(python -c "from distutils.sysconfig import get_python_lib; print get_python_lib()")}
@@ -66,9 +66,9 @@ done
    --install %{_bindir}/futurize futurize %{_bindir}/futurize-%{py_ver} 30 \
    --slave %{_bindir}/pasteurize pasteurize %{_bindir}/pasteurize-%{py_ver}
 
-%preun
-if [ $1 -eq 0 ] ; then
-    %_sbindir/update-alternatives --remove futurize %{_bindir}/futurize-%{py_ver}
+%postun
+if [ "$1" = 0 ] ; then
+   %_sbindir/update-alternatives --remove futurize %{_bindir}/futurize-%{py_ver}
 fi
 
 %files