diff --git a/ethcore/sync/src/chain/propagator.rs b/ethcore/sync/src/chain/propagator.rs
index 9cd3981b6..fd6f2c0c4 100644
--- a/ethcore/sync/src/chain/propagator.rs
+++ b/ethcore/sync/src/chain/propagator.rs
@@ -48,16 +48,24 @@ fn accepts_service_transaction(client_id: &str) -> bool {
 	// Parity versions starting from this will accept service-transactions
 	const SERVICE_TRANSACTIONS_VERSION: (u32, u32) = (1u32, 6u32);
 	// Parity client string prefix
+	const LEGACY_CLIENT_ID_PREFIX: &'static str = "Parity/v";
 	const PARITY_CLIENT_ID_PREFIX: &'static str = "Parity-Ethereum/v";
 
-	if !client_id.starts_with(PARITY_CLIENT_ID_PREFIX) {
-		return false;
-	}
+	if client_id.starts_with(LEGACY_CLIENT_ID_PREFIX) {
+	let ver: Vec<u32> = client_id[LEGACY_CLIENT_ID_PREFIX.len()..].split('.')
+		.take(2)
+		.filter_map(|s| s.parse().ok())
+		.collect();
+		ver.len() == 2 && (ver[0] > SERVICE_TRANSACTIONS_VERSION.0 || (ver[0] == SERVICE_TRANSACTIONS_VERSION.0 && ver[1] >= SERVICE_TRANSACTIONS_VERSION.1))
+	} else if client_id.starts_with(PARITY_CLIENT_ID_PREFIX) {
 	let ver: Vec<u32> = client_id[PARITY_CLIENT_ID_PREFIX.len()..].split('.')
 		.take(2)
 		.filter_map(|s| s.parse().ok())
 		.collect();
-	ver.len() == 2 && (ver[0] > SERVICE_TRANSACTIONS_VERSION.0 || (ver[0] == SERVICE_TRANSACTIONS_VERSION.0 && ver[1] >= SERVICE_TRANSACTIONS_VERSION.1))
+		ver.len() == 2 && (ver[0] > SERVICE_TRANSACTIONS_VERSION.0 || (ver[0] == SERVICE_TRANSACTIONS_VERSION.0 && ver[1] >= SERVICE_TRANSACTIONS_VERSION.1))
+	} else {
+		return false;
+	}
 }
 
 /// The Chain Sync Propagator: propagates data to peers
@@ -580,7 +588,7 @@ mod tests {
 		io.peers_info.insert(2, "Parity-Ethereum/v2.6".to_owned());
 		// and peer#3 is Parity, discarding service transactions
 		insert_dummy_peer(&mut sync, 3, block_hash);
-		io.peers_info.insert(3, "Parity-Ethereum/v2.5".to_owned());
+		io.peers_info.insert(3, "Parity/v1.5".to_owned());
 		// and peer#4 is Parity, accepting service transactions
 		insert_dummy_peer(&mut sync, 4, block_hash);
 		io.peers_info.insert(4, "Parity-Ethereum/v2.7.3-ABCDEFGH".to_owned());