diff --git a/init.lua b/init.lua
index 99763667213..96371d397ab 100644
--- a/init.lua
+++ b/init.lua
@@ -956,6 +956,10 @@ do
   local function treesitter_try_attach(buf, language)
     -- Check if a parser exists and load it
     if not vim.treesitter.language.add(language) then return end
+
+    -- Check if the buffer is valid (might not be after install completes)
+    if not vim.api.nvim_buf_is_valid(buf) then return end
+
     -- Enable syntax highlighting and other treesitter features
     vim.treesitter.start(buf, language)