diff --git a/init.lua b/init.lua
index e43392c..61738c2 100644
--- a/init.lua
+++ b/init.lua
@@ -1,15 +1,11 @@
 require("rocks-setup")
-vim.g.rocks_nvim={
-    experimental_features = {
-        "ext_module_dependency_stubs",
-    },
+vim.g.rocks_nvim.experimental_features = {
+    "ext_module_dependency_stubs",
 }
 if vim.fn.has('mac') == 1 then
-    vim.g.rocks_nvim = vim.tbl_deep_extend("force", vim.g.rocks_nvim, {
-        luarocks_config = {
-            arch = "macosx-aarch64"
-        }
-    })
+    vim.g.rocks_nvim.luarocks_config = {
+        arch = "macosx-aarch64",
+    }
 end
 require("core.keymaps")
 require("core.abbrevs")
diff --git a/lua/rocks-setup.lua b/lua/rocks-setup.lua
index eafb602..86c1033 100644
--- a/lua/rocks-setup.lua
+++ b/lua/rocks-setup.lua
@@ -5,6 +5,9 @@ do
     -- Set up configuration options related to rocks.nvim (recommended to leave as default)
     local rocks_config = {
         rocks_path = vim.fs.normalize(install_location),
+        -- NOTE: don't know why but rocks.nvim in macos can't set the correct value to
+        -- `luarocks_binary` so set it manually.
+        luarocks_binary = "luarocks",
     }
     if vim.fn.has('mac') == 1 then
         rocks_config.luarocks_config = {