diff --git a/lua/cmp/utils/window.lua b/lua/cmp/utils/window.lua
index 9883b49..6c1cd4c 100644
--- a/lua/cmp/utils/window.lua
+++ b/lua/cmp/utils/window.lua
@@ -45,6 +45,10 @@ end
 ---@param key string
 ---@param value any
 window.option = function(self, key, value)
+  if vim.fn.exists('+' .. key) == 0 then
+    return
+  end
+
   if value == nil then
     return self.opt[key]
   end