diff --git a/init.el b/init.el
index f02bb9d..3bd32c8 100644
--- a/init.el
+++ b/init.el
@@ -875,7 +875,8 @@
   :bind ( :map prog-mode-map
           ("C-c c a" . eglot-code-actions)
           ("C-c c r" . eglot-rename))
-  :hook ((eglot-managed-mode . (lambda () (add-hook 'flymake-diagnostic-functions 'eglot-flymake-backend nil t))))
+  :hook ((nix-mode . eglot-ensure)
+         (eglot-managed-mode . (lambda () (add-hook 'flymake-diagnostic-functions 'eglot-flymake-backend nil t))))
   :custom
   (eglot-extend-to-xref t)
   (eglot-autoshutdown t)