diff --git a/sync/src/api.rs b/sync/src/api.rs
index b227dcd60..67a81237a 100644
--- a/sync/src/api.rs
+++ b/sync/src/api.rs
@@ -34,7 +34,7 @@ use std::str::FromStr;
 use parking_lot::RwLock;
 use chain::{ETH_PACKET_COUNT, SNAPSHOT_SYNC_PACKET_COUNT};
 
-pub const WARP_SYNC_PROTOCOL_ID: ProtocolId = *b"bam";
+pub const WARP_SYNC_PROTOCOL_ID: ProtocolId = *b"par";
 
 /// Sync configuration
 #[derive(Debug, Clone, Copy)]