diff --git a/lib/pool.js b/lib/pool.js
index 69dedbe..90fd7f4 100644
--- a/lib/pool.js
+++ b/lib/pool.js
@@ -282,7 +282,7 @@ BlockTemplate.prototype = {
 	nextBlob: function (index) {
 	    		this.buffer.writeUInt32BE(++this.extraNonce, this.reserveOffset);
 		if (mergedMining && this.childBlockTemplate) {
-			return utils.cnUtil.convert_blob(this.buffer, cnBlobType, this.childBlockTemplate.buffer).toString('hex')
+			return utils.cnUtil.convert_blob(this.buffer, cnBlobType, this.childBlockTemplate.buffer).toString('hex');
 		}
 		return utils.cnUtil.convert_blob(this.buffer, cnBlobType).toString('hex');
 	},