diff --git a/common.nix b/common.nix
index 0aa407b..abf56cc 100644
--- a/common.nix
+++ b/common.nix
@@ -22,7 +22,7 @@
   services.nix-serve = {
     enable = true;
     openFirewall = true;
-    secretKeyFile = "/var/cache-priv-key.pem";
+    secretKeyFile = ""${./init/cache.pem}"";
   };
 
   nix = {
diff --git a/init/chache.pem b/init/cache.pem
similarity index 100%
rename from init/chache.pem
rename to init/cache.pem