diff --git a/doc/rust-tools.txt b/doc/rust-tools.txt
index f611926..105f826 100644
--- a/doc/rust-tools.txt
+++ b/doc/rust-tools.txt
@@ -1,4 +1,4 @@
-*rust-tools.txt*           For NVIM v0.8.0           Last change: 2023 July 10
+*rust-tools.txt*         For NVIM v0.8.0        Last change: 2023 September 25
 
 ==============================================================================
 Table of Contents                               *rust-tools-table-of-contents*
diff --git a/lua/rust-tools/standalone.lua b/lua/rust-tools/standalone.lua
index ed7ec57..ef3cb9f 100644
--- a/lua/rust-tools/standalone.lua
+++ b/lua/rust-tools/standalone.lua
@@ -11,9 +11,13 @@ function M.start_standalone_client()
     filetypes = { "rust" },
     init_options = { detachedFiles = { vim.api.nvim_buf_get_name(0) } },
     name = "rust_analyzer-standalone",
-    on_init = function(client)
+    on_init = function(client, initialize_result)
       local current_buf = vim.api.nvim_get_current_buf()
       vim.lsp.buf_attach_client(0, client.id)
+      local on_init = rt.config.options.server.on_init
+      if on_init then
+        on_init(client, initialize_result)
+      end
       local on_attach = rt.config.options.server.on_attach
       if on_attach then
         on_attach(client, current_buf)