diff --git a/nvimrc b/nvimrc
index 9bd828e..9e9e6bb 100644
--- a/nvimrc
+++ b/nvimrc
@@ -367,23 +367,23 @@ lua <<EOF
   cmp.setup({
     completion = {
       completeopt = 'menu,menuone,noinsert',
-      keyword_length = 3,
     },
     snippet = {
       expand = function(args)
         vim.fn["vsnip#anonymous"](args.body)
       end,
     },
-    mapping = {
+    mapping = cmp.mapping.preset.insert({
       ['<C-u>'] = cmp.mapping.scroll_docs(-4),
       ['<C-d>'] = cmp.mapping.scroll_docs(4),
       ['<C-Space>'] = cmp.mapping.complete(),
       ['<C-e>'] = cmp.mapping.close(),
+      ['C-y'] = cmp.mapping.confirm({ select = true, behaviour = cmp.ConfirmBehavior.Replace }),
       ['<CR>'] = cmp.mapping.confirm({ select = true, behaviour = cmp.ConfirmBehavior.Replace }),
-    },
+    }),
     sources = cmp.config.sources({
       { name = 'copilot', keyword_length = 0 },
-      { name = 'nvim_lsp' },
+      { name = 'nvim_lsp', keyword_length = 3 },
       { 
           name = 'buffer',
           option = {