diff --git a/coc-settings.json b/coc-settings.json
index 3fe5002..b84546d 100644
--- a/coc-settings.json
+++ b/coc-settings.json
@@ -5,5 +5,6 @@
         "--suggest-missing-includes",
         "--clang-tidy"
     ],
+    "coc.preferences.jumpCommand": "vsplit",
     "powershell.integratedConsole.showOnStartup": false
 }
diff --git a/vimrc b/vimrc
index f928dc5..769b752 100644
--- a/vimrc
+++ b/vimrc
@@ -55,6 +55,7 @@ nnoremap <up> <nop>
 
 nnoremap <leader>B :bprevious<CR>
 nnoremap <leader>b :bnext<CR>
+nnoremap <leader>d <Plug>(coc-definition)
 
 map <C-ScrollWheelDown> <C-F>
 map <C-ScrollWheelUp> <C-B>