diff --git a/home-manager/modules/programs/emacs/emacs.d/lib/az_languageserver.el b/home-manager/modules/programs/emacs/emacs.d/lib/az_languageserver.el
index 6b9982e..5ebf8b9 100644
--- a/home-manager/modules/programs/emacs/emacs.d/lib/az_languageserver.el
+++ b/home-manager/modules/programs/emacs/emacs.d/lib/az_languageserver.el
@@ -7,6 +7,12 @@
          ;; if you want which-key integration
          (lsp-mode . lsp-enable-which-key-integration))
   :config
+  (with-eval-after-load 'lsp-mode
+    (lsp-register-client
+     (make-lsp-client :new-connection (lsp-stdio-connection "nixd")
+                      :major-modes '(nix-mode)
+                      :priority 0
+                      :server-id 'nixd)))
   (lsp-treemacs-sync-mode 1)
   (setq company-minimum-prefix-length 1
         company-idle-delay 0.0 ;; default is 0.2