diff --git a/lua/lazyvim/plugins/lsp/init.lua b/lua/lazyvim/plugins/lsp/init.lua
index 26a3502e..518c89ee 100644
--- a/lua/lazyvim/plugins/lsp/init.lua
+++ b/lua/lazyvim/plugins/lsp/init.lua
@@ -114,17 +114,22 @@ return {
     "williamboman/mason.nvim",
     cmd = "Mason",
     keys = { { "<leader>cm", "<cmd>Mason<cr>", desc = "Mason" } },
-    ensure_installed = {
-      "stylua",
-      "shellcheck",
-      "shfmt",
-      "flake8",
+    opts = {
+      ensure_installed = {
+        "stylua",
+        "shellcheck",
+        "shfmt",
+        "flake8",
+      },
     },
-    ---@param opts MasonSettings
-    config = function(self, opts)
+    ---@param opts MasonSettings | {ensure_installed: string[]}
+    config = function(plugin, opts)
+      if plugin.ensure_installed then
+        require("lazyvim.util").deprecate("treesitter.ensure_installed", "treesitter.opts.ensure_installed")
+      end
       require("mason").setup(opts)
       local mr = require("mason-registry")
-      for _, tool in ipairs(self.ensure_installed) do
+      for _, tool in ipairs(opts.ensure_installed) do
         local p = mr.get_package(tool)
         if not p:is_installed() then
           p:install()