diff --git a/autoload/startify.vim b/autoload/startify.vim
index ef40896..0309e29 100644
--- a/autoload/startify.vim
+++ b/autoload/startify.vim
@@ -468,7 +468,7 @@ function! s:show_lists(lists) abort
         continue
       endtry
       if empty(entries)
-        unlet s:last_message
+        unlet! s:last_message
         continue
       endif