diff --git a/plugin/jetpack.vim b/plugin/jetpack.vim
index 4e64dc1..ee1318b 100644
--- a/plugin/jetpack.vim
+++ b/plugin/jetpack.vim
@@ -793,8 +793,8 @@ if !has('nvim') && !(has('lua') && has('patch-8.2.0775'))
 endif
 
 lua<<EOF
-local dict = vim.dict or function(x) return x end
-local list = vim.list or function(x) return x end
+local dict = (type(vim.dict) == 'function' and vim.dict) or function(x) return x end
+local list = (type(vim.list) == 'function' and vim.list) or function(x) return x end
 local function cast(t)
   if type(t) ~= 'table' then
     return t