diff --git a/images/nix-flakes/default.nix b/images/nix-flakes/default.nix
index da35d90..767c613 100644
--- a/images/nix-flakes/default.nix
+++ b/images/nix-flakes/default.nix
@@ -1,6 +1,16 @@
 { docker-nixpkgs
 , nixFlakes
+, writeTextFile
 }:
 docker-nixpkgs.nix.override {
   nix = nixFlakes;
+  extraContents = [
+    (writeTextFile {
+      name = "nix.conf";
+      destination = "/etc/nix/nix.conf";
+      text = ''
+        experimental-features = nix-command flakes
+      '';
+    })
+  ];
 }