diff --git a/src/models/MiningJob.ts b/src/models/MiningJob.ts
index 775842e..f14406f 100644
--- a/src/models/MiningJob.ts
+++ b/src/models/MiningJob.ts
@@ -39,7 +39,7 @@ export class MiningJob {
         //    32-byte - Commitment hash: Double-SHA256(witness root hash|witness reserved value)
 
         //    39th byte onwards: Optional data with no consensus meaning
-        const extra = Buffer.from('\\public-pool\\');
+        const extra = Buffer.from('Public-Pool');
 
         // Encode the block height
         // https://github.com/bitcoin/bips/blob/master/bip-0034.mediawiki