diff --git a/common/home/neovim/langs/clang.nix b/common/home/neovim/langs/clang.nix
index 0c118bb..bf635a5 100644
--- a/common/home/neovim/langs/clang.nix
+++ b/common/home/neovim/langs/clang.nix
@@ -19,6 +19,11 @@ in
         extraLuaConfig =
           # lua
           ''
+            vim.api.nvim_create_autocmd('FileType', {
+                pattern = { 'cpp' , 'c'},
+                command = 'setlocal ts=4 sw=4 sts=0 expandtab',
+            });
+
             local lsp = require('lspconfig');
             local coq = require('coq');