diff --git a/nvim/coc-languages/sh.vim b/nvim/coc-languages/sh.vim
index b76aabf..c85456d 100644
--- a/nvim/coc-languages/sh.vim
+++ b/nvim/coc-languages/sh.vim
@@ -1,2 +1,2 @@
-let g:dotfiles_coc_extensions += ['coc-sh']
-let g:coc_filetypes += ['sh', 'zsh']
+call extend(g:dotfiles_coc_extensions, {'coc-sh': 1})
+call extend(g:dotfiles_coc_filetypes, {'sh': 1, 'zsh': 1})
diff --git a/nvim/dotfiles/plugins-list.vim b/nvim/dotfiles/plugins-list.vim
index f6bcdcf..f97693b 100644
--- a/nvim/dotfiles/plugins-list.vim
+++ b/nvim/dotfiles/plugins-list.vim
@@ -14,6 +14,7 @@ let s:plug = funcref('dotfiles#plugman#register')
 
 " Language specific {{{
   call s:plug('alaviss/nim.nvim')
+  call s:plug('stevearc/vim-arduino')
 " }}}
 
 " Misc {{{