diff --git a/vim/vimrc.symlink b/vim/vimrc.symlink
index e6adf97..11af46c 100644
--- a/vim/vimrc.symlink
+++ b/vim/vimrc.symlink
@@ -291,6 +291,9 @@ nmap <leader>gc :Gcommit<cr>
 nmap <leader>gbr :Gbrowse<cr>
 nmap <leader>gd :Gdiff<cr>
 
+" toggle syntastic syntax checking
+nmap <leader>o :SyntasticToggleMode<cr>
+
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 " => Local vimrc
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""