diff --git a/lua/lazyvim/plugins/extras/lang/typescript/oxc.lua b/lua/lazyvim/plugins/extras/lang/typescript/oxc.lua
index d4efb30c..c2f35843 100644
--- a/lua/lazyvim/plugins/extras/lang/typescript/oxc.lua
+++ b/lua/lazyvim/plugins/extras/lang/typescript/oxc.lua
@@ -30,6 +30,15 @@ return {
       servers = {
         ---@type lspconfig.settings.oxlint
         oxlint = {
+          root_dir = function(bufnr, on_dir)
+            -- prefer the top-level oxlint config if it exists (monorepo support)
+            local git = vim.fs.root(bufnr, ".git")
+            local markers = { ".oxlintrc.json", ".oxlintrc.jsonc", "oxlint.config.ts" }
+            local root = git and vim.fs.root(git, markers) or vim.fs.root(bufnr, markers)
+            if root then
+              on_dir(root)
+            end
+          end,
           settings = {
             fixKind = "all",
           },