diff --git a/crates/ruma-client-api/src/backup/add_backup_keys.rs b/crates/ruma-client-api/src/backup/add_backup_keys.rs
index 67c7f92c..ef0a153d 100644
--- a/crates/ruma-client-api/src/backup/add_backup_keys.rs
+++ b/crates/ruma-client-api/src/backup/add_backup_keys.rs
@@ -23,6 +23,7 @@ pub mod v3 {
         authentication: AccessToken,
         history: {
             unstable => "/_matrix/client/unstable/room_keys/keys",
+            1.0 => "/_matrix/client/r0/room_keys/keys",
             1.1 => "/_matrix/client/v3/room_keys/keys",
         }
     };