diff --git a/init.el b/init.el
index efc30c1..2012050 100755
--- a/init.el
+++ b/init.el
@@ -267,6 +267,11 @@
 (use-package lsp-treemacs
   :after (lsp-mode treemacs))
 
+;; Nix support
+(use-package nix-mode
+  :mode "\\.nix\\'"
+  :hook (nix-mode . disable-tabs))
+
 (add-to-list 'auto-mode-alist '("\\.rs\\'" . rust-ts-mode))
 (add-to-list 'auto-mode-alist '("\\.ts\\'" . typescript-ts-mode))
 (add-to-list 'auto-mode-alist '("\\.tsx\\'" . typescript-ts-mode))