diff --git a/tests/test_mocha_runner_spec.lua b/tests/test_mocha_runner_spec.lua
index 6c473ba..a6cf819 100644
--- a/tests/test_mocha_runner_spec.lua
+++ b/tests/test_mocha_runner_spec.lua
@@ -16,7 +16,7 @@ end
 local function with_project(structure, fn)
   local root = vim.fn.tempname()
   vim.fn.mkdir(root, "p")
-  root = vim.loop.fs_realpath(root) or root
+  root = vim.uv.fs_realpath(root) or root
   for rel_path, content in pairs(structure) do
     write_file(root .. "/" .. rel_path, content)
   end