diff --git a/modules/lang/nix/config.el b/modules/lang/nix/config.el
new file mode 100644
index 000000000..e9d090fc3
--- /dev/null
+++ b/modules/lang/nix/config.el
@@ -0,0 +1,4 @@
+;;; lang/nix/config.el -*- lexical-binding: t; -*-
+
+(def-package! nix-mode
+  :mode "\\.nix$")