diff --git a/sync/src/utils.rs b/sync/src/utils.rs
index 845e7b7f8c..dcf1f97118 100644
--- a/sync/src/utils.rs
+++ b/sync/src/utils.rs
@@ -145,6 +145,7 @@ fn protocol_name(protocol_id: ProtocolId) -> String {
         100 => SupportProtocols::Sync.name(),
         101 => SupportProtocols::RelayV2.name(),
         102 => SupportProtocols::Time.name(),
+        103 => SupportProtocols::RelayV3.name(),
         110 => SupportProtocols::Alert.name(),
         120 => SupportProtocols::LightClient.name(),
         121 => SupportProtocols::Filter.name(),