diff --git a/lua/nvim-treesitter/health.lua b/lua/nvim-treesitter/health.lua
index 099e766da..1d6400977 100644
--- a/lua/nvim-treesitter/health.lua
+++ b/lua/nvim-treesitter/health.lua
@@ -110,7 +110,7 @@ local function install_health()
   end
   if
     vim.iter(vim.api.nvim_list_runtime_paths()):any(function(p)
-      if installdir == p .. '/' then
+      if installdir == vim.fs.normalize(p) .. '/' then
         return true
       end
     end)
diff --git a/lua/nvim-treesitter/install.lua b/lua/nvim-treesitter/install.lua
index bbd312241..b0ac2f3bb 100644
--- a/lua/nvim-treesitter/install.lua
+++ b/lua/nvim-treesitter/install.lua
@@ -559,7 +559,7 @@ local function install(languages, options, _callback)
     return
   end
 
-  local cache_dir = vim.fn.stdpath('cache')
+  local cache_dir = vim.fs.normalize(vim.fn.stdpath('cache'))
   local install_dir = config.get_install_dir('parser')
 
   if not languages or type(languages) == 'string' then