diff --git a/modules/users/overseer/services/matrix.nix b/modules/users/overseer/services/matrix.nix
index 0d90bc4..ce514cb 100644
--- a/modules/users/overseer/services/matrix.nix
+++ b/modules/users/overseer/services/matrix.nix
@@ -15,5 +15,6 @@ lib.mkIf config.user.overseer.enable {
         ensureDBOwnership = true;
       }
     ];
+    ensureDatabases = ["matrix-synapse"];
   };
 }