diff --git a/lua/tsql.lua b/lua/tsql.lua
index 1a5dc71..6b3ceae 100644
--- a/lua/tsql.lua
+++ b/lua/tsql.lua
@@ -221,12 +221,13 @@ function M.clear_highlights()
     return M._delete_all_highlights(M.config, M.store)
 end
 
----@param config Config
+---@param config Config | nil
 function M.setup(config)
     M.config = vim.tbl_deep_extend("force", M.config, config or M.config_default)
     M.config.nvim_ns = vim.api.nvim_create_namespace("tsql")
 
-    vim.api.nvim_create_user_command("Noh", M.clear_highlights, { nargs = "0", desc = "Clear tsql highlights" })
+    vim.api.nvim_create_user_command("Noh", function() M.clear_highlights() end,
+        { nargs = "0", desc = "Clear tsql highlights" })
     vim.api.nvim_create_user_command("Tdsl", function(cmd)
         M.s(cmd.args):do_nvim(M.store)
     end, { nargs = "*", desc = "tsql DSL invocation" })