diff --git a/README.md b/README.md
index 703daa0..1d1884a 100644
--- a/README.md
+++ b/README.md
@@ -74,8 +74,15 @@ For building binary if you wish to build from source, then `cargo` is required.
 {
   "yetone/avante.nvim",
   -- if you want to build from source then do `make BUILD_FROM_SOURCE=true`
-  build = "make",  -- ⚠️ must add this line! ! !
-  -- build = "powershell -ExecutionPolicy Bypass -File Build.ps1 -BuildFromSource false" -- for windows
+  -- ⚠️ must add this setting! ! !
+  build = function()
+    -- conditionally use the correct build system for the current OS
+    if vim.fn.has("win32") == 1 then
+      return "powershell -ExecutionPolicy Bypass -File Build.ps1 -BuildFromSource false"
+    else
+      return "make"
+    end
+  end,
   event = "VeryLazy",
   version = false, -- Never set this value to "*"! Never!
   ---@module 'avante'