diff --git a/doc/command-t.txt b/doc/command-t.txt
index cfe9a3b0..04408409 100644
--- a/doc/command-t.txt
+++ b/doc/command-t.txt
@@ -609,7 +609,8 @@ HISTORY                                         *command-t-history*
 
 main (not yet released) ~
 
-- ...
+- fix: teach buffer finder to see all buffers passed into Neovim as
+  command-line arguments (https://github.com/wincent/command-t/issues/418).
 
 6.0.0-b.1 (16 December 2022) ~
 
diff --git a/lua/wincent/commandt/init.lua b/lua/wincent/commandt/init.lua
index 59c23e92..20f8e15a 100644
--- a/lua/wincent/commandt/init.lua
+++ b/lua/wincent/commandt/init.lua
@@ -161,7 +161,7 @@ local default_options = {
         local handles = vim.api.nvim_list_bufs()
         local paths = {}
         for _, handle in ipairs(handles) do
-          if vim.api.nvim_buf_is_loaded(handle) then
+          if vim.api.nvim_buf_is_valid(handle) then
             local name = vim.api.nvim_buf_get_name(handle)
             if name ~= '' then
               local relative = vim.fn.fnamemodify(name, ':~:.')