diff --git a/.config/nvim/lua/mappings.lua b/.config/nvim/lua/mappings.lua
index 170a8a8..24d7ec1 100644
--- a/.config/nvim/lua/mappings.lua
+++ b/.config/nvim/lua/mappings.lua
@@ -106,4 +106,6 @@ vim.keymap.set("n", "]d", function()
 end)
 
 -- telekasten
-vim.keymap.set("n", "<leader>zt", "<cmd>Telekasten<CR>")
+vim.keymap.set("n", "<leader>z", function()
+	require("telekasten").panel()
+end)
diff --git a/.config/nvim/lua/plugins/vsnip.lua b/.config/nvim/lua/plugins/vsnip.lua
index 7be85fb..2211417 100644
--- a/.config/nvim/lua/plugins/vsnip.lua
+++ b/.config/nvim/lua/plugins/vsnip.lua
@@ -1,5 +1,7 @@
 -- jumpable mappings
-vim.keymap.set("i", "<Tab>", "vsnip#jumpable(1)  ? '<Plug>(vsnip-jump-next)' : '<Tab>'", { expr = true })
-vim.keymap.set("s", "<Tab>", "vsnip#jumpable(1)  ? '<Plug>(vsnip-jump-next)' : '<Tab>'", { expr = true })
-vim.keymap.set("i", "<S-Tab>", "vsnip#jumpable(-1) ? '<Plug>(vsnip-jump-prev)' : '<S-Tab>'", { expr = true })
-vim.keymap.set("s", "<S-Tab>", "vsnip#jumpable(-1) ? '<Plug>(vsnip-jump-prev)' : '<S-Tab>'", { expr = true })
+vim.api.nvim_exec([[
+imap <expr> <Tab>   vsnip#jumpable(1)   ? '<Plug>(vsnip-jump-next)'      : '<Tab>'
+smap <expr> <Tab>   vsnip#jumpable(1)   ? '<Plug>(vsnip-jump-next)'      : '<Tab>'
+imap <expr> <S-Tab> vsnip#jumpable(-1)  ? '<Plug>(vsnip-jump-prev)'      : '<S-Tab>'
+smap <expr> <S-Tab> vsnip#jumpable(-1)  ? '<Plug>(vsnip-jump-prev)'      : '<S-Tab>'
+]], false)