diff --git a/lua/telescope/builtin.lua b/lua/telescope/builtin.lua
index 891b646..c4b7cb2 100644
--- a/lua/telescope/builtin.lua
+++ b/lua/telescope/builtin.lua
@@ -329,9 +329,8 @@ builtin.find_files = function(opts)
     return
   end
 
-  local cwd = opts.cwd
-  if cwd then
-    cwd = vim.fn.expand(cwd)
+  if opts.cwd then
+    opts.cwd = vim.fn.expand(opts.cwd)
   end
 
   opts.entry_maker = opts.entry_maker or make_entry.gen_from_file(opts)