diff --git a/src/WebSocketContext.h b/src/WebSocketContext.h
index 63f570f..c49a6ac 100644
--- a/src/WebSocketContext.h
+++ b/src/WebSocketContext.h
@@ -261,7 +261,7 @@ private:
                 /* At this point we iterate all currently held subscriptions and emit an event for all of them */
                 if (webSocketData->subscriber && webSocketContextData->subscriptionHandler) {
                     for (Topic *t : webSocketData->subscriber->topics) {
-                        webSocketContextData->subscriptionHandler(this, t->name, (int) t->size() - 1, (int) t->size());
+                        webSocketContextData->subscriptionHandler((WebSocket<SSL, isServer, USERDATA> *) s, t->name, (int) t->size() - 1, (int) t->size());
                     }
                 }