diff --git a/flake.nix b/flake.nix
index 869a093..659bffd 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,7 +19,7 @@
       in rec {
         packages = rec {
           krb5-keygen = mkCljBin {
-            projectSrc = ./src;
+            projectSrc = ./.;
             name = "org.fudo.kerberos/keygen";
             main-ns = "kerberos.keygen.core";
             jdkRunner = pkgs.jdk17_headless;
diff --git a/src/kerberos/keygen/core.clj b/src/kerberos/keygen/core.clj
index c17d425..33782a9 100644
--- a/src/kerberos/keygen/core.clj
+++ b/src/kerberos/keygen/core.clj
@@ -1,7 +1,8 @@
 (ns kerberos.keygen.core
   (:import (java.util Random)
            (java.util.zip CRC32))
-  (:require [clojure.string :as str]))
+  (:require [clojure.string :as str])
+  (:gen-class))
 
 (defn- string->seed [^String str]
   (let [checksum (CRC32.)]