diff --git a/modules/matrix.nix b/modules/matrix.nix
index f15ba6c..ac9772f 100644
--- a/modules/matrix.nix
+++ b/modules/matrix.nix
@@ -56,6 +56,7 @@ in
       ];
 
       enable_registration = false;
+      registration_shared_secret_path = "/var/lib/matrix-synapse/registration_shared_secret";
     };
   };