diff --git a/autoload/vimwiki/base.vim b/autoload/vimwiki/base.vim
index 4e3cde5..a246081 100644
--- a/autoload/vimwiki/base.vim
+++ b/autoload/vimwiki/base.vim
@@ -1325,8 +1325,12 @@ function! vimwiki#base#goto_index(wnum, ...) "{{{
     let idx = 0
   endif
 
-  if a:0
+  if a:0 == 1
     let cmd = 'tabedit'
+  elseif a:0 == 2
+    let cmd = 'sp'
+  elseif a:0 == 3
+    let cmd = 'vsp'
   else
     let cmd = 'edit'
   endif