diff --git a/autoload/lsp.vim b/autoload/lsp.vim
index dbb9d77b..41594e1e 100644
--- a/autoload/lsp.vim
+++ b/autoload/lsp.vim
@@ -393,7 +393,7 @@ function! s:on_buf_wipeout(buf) abort
     endif
 endfunction
 
-function! s:ensure_flush_all(buf, server_names) abort
+function! lsp#ensure_flush_all(buf, server_names) abort
     for l:server_name in a:server_names
         call s:ensure_flush(a:buf, l:server_name, function('s:Noop'))
     endfor