diff --git a/src/models/StratumV1Client.ts b/src/models/StratumV1Client.ts
index 67ada0b..17f6e98 100644
--- a/src/models/StratumV1Client.ts
+++ b/src/models/StratumV1Client.ts
@@ -50,7 +50,7 @@ export class StratumV1Client {
     public extraNonceAndSessionId: string;
     public sessionStart: Date;
     public noFee: boolean;
-    public hashRate: number;
+    public hashRate: number = 0;
 
     private buffer: string = '';