diff --git a/autoload/fzf/vim.vim b/autoload/fzf/vim.vim
index e52cfb7..40dcf42 100644
--- a/autoload/fzf/vim.vim
+++ b/autoload/fzf/vim.vim
@@ -701,9 +701,12 @@ endfunction
 " query, [[tag commands], options]
 function! fzf#vim#buffer_tags(query, ...)
   let args = copy(a:000)
-  let tag_cmds = len(args) > 1 ? remove(args, 0) : [
+  let tag_cmds = (len(args) > 1 && type(args[0]) != type({})) ? remove(args, 0) : [
     \ printf('ctags -f - --sort=no --excmd=number --language-force=%s %s 2>/dev/null', &filetype, expand('%:S')),
     \ printf('ctags -f - --sort=no --excmd=number %s 2>/dev/null', expand('%:S'))]
+  if type(tag_cmds) != type([])
+    let tag_cmds = [tag_cmds]
+  endif
   try
     return s:fzf('btags', {
     \ 'source':  s:btags_source(tag_cmds),