diff --git a/clients/vim/autoload/tabby.vim b/clients/vim/autoload/tabby.vim
index 8b19ca8..ca11d58 100644
--- a/clients/vim/autoload/tabby.vim
+++ b/clients/vim/autoload/tabby.vim
@@ -190,7 +190,7 @@ function! tabby#Start()
     return
   endif
 
-  let tabby_root = expand('<sfile>:h:h')
+  let tabby_root = expand('<script>:h:h')
   let node_script = tabby_root . '/node_scripts/tabby-agent.js'
   if !filereadable(node_script)
     let s:errmsg = 'Tabby node script should be download first. Try to run `yarn upgrade-agent`.'