diff --git a/runtime/ftplugin/html.vim b/runtime/ftplugin/html.vim
index 5f1384b..418da06 100644
--- a/runtime/ftplugin/html.vim
+++ b/runtime/ftplugin/html.vim
@@ -88,3 +88,4 @@
 
 " Restore the saved compatibility options.
 let &cpo = s:save_cpo
+unlet s:save_cpo