diff --git a/vim/.vimrc b/vim/.vimrc
index 847ea35..46a03e0 100644
--- a/vim/.vimrc
+++ b/vim/.vimrc
@@ -211,6 +211,9 @@ let perl_fold=1
 " sh folding
 let g:sh_fold_enabled= 3
 
+" arduino folding
+au FileType arduino setlocal foldmethod=syntax
+
 " highlight whitespaces
 highlight ExtraWhitespace ctermbg=red guibg=red
 match ExtraWhitespace /\s\+$/