diff --git a/nvim/init.vim b/nvim/init.vim
index eaffaff..3ed2d75 100644
--- a/nvim/init.vim
+++ b/nvim/init.vim
@@ -81,7 +81,9 @@ let g:prosession_per_branch = 1
 nnoremap <C-P> :Files<CR>
 nnoremap <C-F> :Rg \b<C-R><C-W>\b<CR>
 
+" split-open
 let g:splitopen_set_fzf_keys = 1
+nnoremap <C-S> :Split<CR>
 
 " deoplete
 let g:deoplete#enable_at_startup = 1