diff --git a/stream/dap_stream.h b/stream/dap_stream.h
index 2a149cc58b4325a3e7bc13015fafd4411768e6a4..9248faaf3b3c060fcb3c2a1b8e58d650b11238ed 100755
--- a/stream/dap_stream.h
+++ b/stream/dap_stream.h
@@ -63,6 +63,8 @@ typedef struct dap_stream {
     struct dap_udp_client * conn_udp; // UDP-client
     dap_events_socket_t * events_socket;
 
+    char * service_key;
+
     bool is_live;
     bool is_client_to_uplink ;