diff --git a/.vim/vimrc b/.vim/vimrc
index 278a993..1b2f9b8 100644
--- a/.vim/vimrc
+++ b/.vim/vimrc
@@ -1229,7 +1229,7 @@ function! s:on_lsp_buffer_enabled() abort
     let g:lsp_format_sync_timeout = 700
     augroup lsp_format_sync
         autocmd!
-        autocmd! BufWritePre *.rs,*.go,*.python call execute('LspDocumentFormatSync')
+        autocmd! BufWritePre *.rs,*.go,*.python,*.nix call execute('LspDocumentFormatSync')
     augroup END
 
     " refer to doc to add more commands