diff --git a/modules/moritz/profiles/impermanence.nix b/modules/moritz/profiles/impermanence.nix
index a229a5c..7267fd6 100644
--- a/modules/moritz/profiles/impermanence.nix
+++ b/modules/moritz/profiles/impermanence.nix
@@ -82,5 +82,6 @@ in
         }
       )
     ];
+    sops.age.keyFile = "/persist/var/lib/sops-nix/key.txt";
   };
 }