diff --git a/plugin/ack.vim b/plugin/ack.vim
index 6d6c55bc..8086aaaf 100644
--- a/plugin/ack.vim
+++ b/plugin/ack.vim
@@ -32,10 +32,10 @@ let s:ack_mappings = {
       \ "o": "<CR>",
       \ "O": "<CR><C-W>p<C-W>c",
       \ "go": "<CR><C-W>p",
-      \ "h": "<C-W><CR><C-W>K",
-      \ "H": "<C-W><CR><C-W>K<C-W>b",
-      \ "v": "<C-W><CR><C-W>H<C-W>b<C-W>J<C-W>t",
-      \ "gv": "<C-W><CR><C-W>H<C-W>b<C-W>J" }
+      \ "h": "<C-W><CR>:exe 'wincmd ' (&splitbelow ? 'J' : 'K')<CR><C-W>p<C-W>J<C-W>p",
+      \ "H": "<C-W><CR>:exe 'wincmd ' (&splitbelow ? 'J' : 'K')<CR><C-W>p<C-W>J",
+      \ "v": "<C-W><CR>:exe 'wincmd ' (&splitright ? 'L' : 'H')<CR><C-W>p<C-W>J<C-W>p",
+      \ "gv": "<C-W><CR>:exe 'wincmd ' (&splitright ? 'L' : 'H')<CR><C-W>p<C-W>J" }
 
 if exists("g:ack_mappings")
   let g:ack_mappings = extend(s:ack_mappings, g:ack_mappings)