diff --git a/lua/snacks/input.lua b/lua/snacks/input.lua
index 289386fe..0c00c8e2 100644
--- a/lua/snacks/input.lua
+++ b/lua/snacks/input.lua
@@ -215,7 +215,7 @@ function M.input(opts, on_confirm)
   })
 
   local parent_zindex = vim.api.nvim_win_get_config(parent_win).zindex
-  opts.win.zindex = parent_zindex and parent_zindex + 1 or opts.win.zindex
+  opts.win.zindex = math.max(parent_zindex + 1, opts.win.zindex or 50)
 
   local min_width = opts.win.width or 60
   if opts.expand then