diff --git a/clients/quadraticserver/matrix/bridges.nix b/clients/quadraticserver/matrix/bridges.nix
index 9a01142..6c8e996 100644
--- a/clients/quadraticserver/matrix/bridges.nix
+++ b/clients/quadraticserver/matrix/bridges.nix
@@ -20,6 +20,7 @@ let
     encryption = {
       allow = true;
       default = true;
+      pickle_key = "generate";
     };
 
     bridge.permissions = {