diff --git a/lua/custom/plugins/nullls.lua b/lua/custom/plugins/nullls.lua
index 044dac4..5dfdac7 100644
--- a/lua/custom/plugins/nullls.lua
+++ b/lua/custom/plugins/nullls.lua
@@ -39,11 +39,13 @@ return {
         -- Anything not supported by mason.
         -- lua
         formatting.stylua,
+        --json
+        diagnostics.jsonlint,
         -- eslint
         diagnostics.eslint_d.with {
           cwd = h.cache.by_bufnr(eslint_d_cwd),
           -- not sure how to scope this only to bcr's locales
-          extra_filetypes = { 'json' },
+          -- extra_filetypes = { 'json' },
         },
         formatting.eslint_d.with {
           cwd = h.cache.by_bufnr(eslint_d_cwd),