diff --git a/lua/nvim-treesitter/parsers.lua b/lua/nvim-treesitter/parsers.lua
index ca5c61fde..e2cabb762 100644
--- a/lua/nvim-treesitter/parsers.lua
+++ b/lua/nvim-treesitter/parsers.lua
@@ -2060,7 +2060,8 @@ function M.get_available(tier)
   end
   if vim.fn.executable('tree-sitter') == 0 or vim.fn.executable('node') == 0 then
     parsers = vim.iter.filter(function(p)
-      return not M.configs[p].install_info.requires_generate_from_grammar
+      return M.configs[p].install_info
+        and not M.configs[p].install_info.requires_generate_from_grammar
     end, parsers) --[[@as string[] ]]
   end
   return parsers