diff --git a/programs/nvim.nix b/programs/nvim.nix
index 8af4d15..13b40c4 100644
--- a/programs/nvim.nix
+++ b/programs/nvim.nix
@@ -545,6 +545,7 @@
         match ExtraWhitespace /\s\+$/
 
         autocmd FileType lisp setlocal shiftwidth=2 tabstop=2
+        autocmd FileType c setlocal noexpandtab shiftwidth=8 tabstop=8
 
         lua <<EOF
           vim.diagnostic.config {