diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 9f9f17d2f31..a7b95d3f05f 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -3365,6 +3365,7 @@ done:
 		break;
 
 	case L2CAP_MODE_STREAMING:
+		l2cap_setup_txwin(pi);
 		rfc.txwin_size      = 0;
 		rfc.max_transmit    = 0;
 		rfc.retrans_timeout = 0;