diff --git a/src/models/stratum-messages/SubscriptionMessage.ts b/src/models/stratum-messages/SubscriptionMessage.ts
index 510a277..c72510e 100644
--- a/src/models/stratum-messages/SubscriptionMessage.ts
+++ b/src/models/stratum-messages/SubscriptionMessage.ts
@@ -43,7 +43,7 @@ export class SubscriptionMessage extends StratumBaseMessage {
         // return userAgent;
         userAgent = userAgent.split(' ')[0].split('/')[0].split('V')[0];
 
-        if (userAgent.includes('bosminer')) {
+        if (userAgent.includes('bosminer') || userAgent.includes('bOS')) {
             userAgent = 'Braiins OS';
         } else if (userAgent.includes('cpuminer')) {
             userAgent = 'cpuminer';