diff --git a/python-ethtool.spec b/python-ethtool.spec
index d218e6d..5bc15e1 100644
--- a/python-ethtool.spec
+++ b/python-ethtool.spec
@@ -63,7 +63,7 @@ mv %{buildroot}{%{_bindir},%{_sbindir}}/pethtool
 %python_expand PYTHONPATH=%{buildroot}%{$python_sitearch} $python -m unittest discover -v
 
 %post
-# %python_install_alternative for %{_sbindir} binaries
+# %%python_install_alternative for %{_sbindir} binaries
 %{python_expand \
   %{_sbindir}/update-alternatives --quiet --install %{_sbindir}/pifconfig  pifconfig \
      %{_sbindir}/pifconfig-%{$python_version}  %{$python_version_nodots}