diff --git a/lua/plugins/coding.lua b/lua/plugins/coding.lua
index 6bbd18b..af3d27f 100644
--- a/lua/plugins/coding.lua
+++ b/lua/plugins/coding.lua
@@ -237,7 +237,15 @@ return {
       highlight = {
         enable = true,
         disable = function(_, buf)
-          return vim.api.nvim_buf_line_count(buf) > 3000
+          if vim.api.nvim_buf_line_count(buf) > 3000 then
+            return true
+          end
+
+          local max_filesize = 1024 * 1024 -- 1MB
+          local ok, stats = pcall(vim.uv.fs_stat, vim.api.nvim_buf_get_name(buf))
+          if ok and stats and stats.size > max_filesize then
+            return true
+          end
         end,
       },
     },