diff --git a/balance-transfer/app/query.js b/balance-transfer/app/query.js
index 8607dde8..93c28eae 100644
--- a/balance-transfer/app/query.js
+++ b/balance-transfer/app/query.js
@@ -118,7 +118,7 @@ var getBlockByHash = async function(peer, channelName, hash, username, org_name)
 			throw new Error(message);
 		}
 
-		let response_payload = await channel.queryBlockByHash(Buffer.from(hash), peer);
+		let response_payload = await channel.queryBlockByHash(Buffer.from(hash,'hex'), peer);
 		if (response_payload) {
 			logger.debug(response_payload);
 			return response_payload;