diff --git a/include/async_mqtt5/impl/client_service.hpp b/include/async_mqtt5/impl/client_service.hpp
index 083f89b..b70dfe8 100644
--- a/include/async_mqtt5/impl/client_service.hpp
+++ b/include/async_mqtt5/impl/client_service.hpp
@@ -161,6 +161,7 @@ public:
 		_stream_context(std::move(tls_context)),
 		_stream(ex, _stream_context),
 		_async_sender(*this),
+		_active_span(_read_buff.cend(), _read_buff.cend()),
 		_rec_channel(ex, 128)
 	{}