diff --git a/autoload/fzf/vim.vim b/autoload/fzf/vim.vim
index c51d27c..9e2ff8e 100644
--- a/autoload/fzf/vim.vim
+++ b/autoload/fzf/vim.vim
@@ -623,7 +623,7 @@ endfunction
 
 function! s:format_buffer(b)
   let name = bufname(a:b)
-  let line = getbufinfo(a:b)[0]['lnum']
+  let line = exists('*getbufinfo') ? getbufinfo(a:b)[0]['lnum'] : 0
   let name = empty(name) ? '[No Name]' : fnamemodify(name, ":p:~:.")
   let flag = a:b == bufnr('')  ? s:blue('%', 'Conditional') :
           \ (a:b == bufnr('#') ? s:magenta('#', 'Special') : ' ')