diff --git a/lua/lazy/core/loader.lua b/lua/lazy/core/loader.lua
index c350582..f08a70c 100644
--- a/lua/lazy/core/loader.lua
+++ b/lua/lazy/core/loader.lua
@@ -282,7 +282,12 @@ function M.add_to_rtp(plugin)
   local rtp = vim.api.nvim_get_runtime_file("", true)
   local idx_dir, idx_after
 
+  local is_win = jit.os:find("Windows")
+
   for i, path in ipairs(rtp) do
+    if is_win then
+      path = Util.norm(path)
+    end
     if path == Config.me then
       idx_dir = i + 1
     elseif not idx_after and path:sub(-6, -1) == "/after" then