diff --git a/src/danog/MadelineProto/MTProtoTools/PeerHandler.php b/src/danog/MadelineProto/MTProtoTools/PeerHandler.php
index 10b67f5d..79d96f21 100644
--- a/src/danog/MadelineProto/MTProtoTools/PeerHandler.php
+++ b/src/danog/MadelineProto/MTProtoTools/PeerHandler.php
@@ -750,7 +750,9 @@ trait PeerHandler
             $res = $this->method_call('contacts.resolveUsername', ['username' => str_replace('@', '', $username)], ['datacenter' => $this->datacenter->curdc]);
         } catch (\danog\MadelineProto\RPCErrorException $e) {
             \danog\MadelineProto\Logger::log('Username resolution failed with error '.$e->getMessage(), \danog\MadelineProto\Logger::ERROR);
-
+            if (strpos($e->rpc, 'FLOOD_WAIT_') === 0) {
+                throw $e;
+            }
             return false;
         }
         if ($res['_'] === 'contacts.resolvedPeer') {