diff --git a/deco.spec b/deco.spec
index ad7b383..3227b0d 100644
--- a/deco.spec
+++ b/deco.spec
@@ -52,10 +52,13 @@ and adding support for others requires very little work.
 %install
 %makeinstall PREFIX="%{_prefix}"
 
+echo -n > optional-files.lst
+[ -e "%{buildroot}%{_bindir}/crename" ] && echo %{_bindir}/crename >> optional-files.lst
+
 %clean
 %__rm -rf "%{buildroot}"
 
-%files
+%files -f optional-files.lst
 %defattr(-,root,root)
 %doc COPYING CREDITS NEWS README
 %{_bindir}/deco