diff --git a/jrpotter/neovim/default.nix b/jrpotter/neovim/default.nix
index 3fc6d31..cda059b 100644
--- a/jrpotter/neovim/default.nix
+++ b/jrpotter/neovim/default.nix
@@ -20,7 +20,10 @@ let
     plugin = utils.pluginGit
       "e154fdb6d70b3765d71f296e718b29d8b7026a63"
       "mfussenegger/nvim-dap";
-    config = config.programs.neovim.nvim-dap;
+    config = ''
+      require('dap').defaults.fallback.terminal_win_cmd = 'below 10split new'
+      ${config.programs.neovim.nvim-dap};
+    '';
   };
 
   nvim-lspconfig = {
diff --git a/jrpotter/neovim/lua/init/dap.lua b/jrpotter/neovim/lua/init/dap.lua
index 9b8f5d1..954a2be 100644
--- a/jrpotter/neovim/lua/init/dap.lua
+++ b/jrpotter/neovim/lua/init/dap.lua
@@ -107,6 +107,10 @@ function M.buffer_map()
       vim.cmd(any_sidebar_open() and 'leftabove split' or 'vertical topleft split')
       sidebar.open()
       vim.fn.win_gotoid(win_id)
+      -- Update state of windows.
+      vim.api.nvim_win_set_option(sidebar.win, 'colorcolumn', '')
+      vim.api.nvim_win_set_option(sidebar.win, 'list', false)
+      vim.api.nvim_win_set_option(sidebar.win, 'wrap', false)
     end
   end