diff --git a/agenix/hosts/sail/config.nix b/agenix/hosts/sail/config.nix
index be7e673..80597e8 100644
--- a/agenix/hosts/sail/config.nix
+++ b/agenix/hosts/sail/config.nix
@@ -43,7 +43,7 @@
     };
 
     synapse-extra-config = {
-      file = ./synapse/extraConfig.nix;
+      file = ./synapse/extraConfig.age;
       owner = "matrix-synapse";
       group = "matrix-synapse";
     };