diff --git a/lib/src/lightclient.rs b/lib/src/lightclient.rs
index 95d1e05..01b32e4 100644
--- a/lib/src/lightclient.rs
+++ b/lib/src/lightclient.rs
@@ -839,6 +839,8 @@ impl LightClient {
             }
         };
 
+        self.do_save()?;
+
         Ok(array![new_address])
     }