diff --git a/include/async_mqtt5/detail/control_packet.hpp b/include/async_mqtt5/detail/control_packet.hpp
index 863a750..ff61bf8 100644
--- a/include/async_mqtt5/detail/control_packet.hpp
+++ b/include/async_mqtt5/detail/control_packet.hpp
@@ -105,7 +105,7 @@ public:
 		return *this;
 	}
 
-	const std::string& wire_data() const {
+	std::string_view wire_data() const {
 		return *_packet;
 	}
 };
diff --git a/include/async_mqtt5/impl/connect_op.hpp b/include/async_mqtt5/impl/connect_op.hpp
index 73d94ed..a993f34 100644
--- a/include/async_mqtt5/impl/connect_op.hpp
+++ b/include/async_mqtt5/impl/connect_op.hpp
@@ -199,7 +199,7 @@ public:
 			10u, false, _ctx.co_props, _ctx.will_msg
 		);
 
-		const auto& wire_data = packet.wire_data();
+		auto wire_data = packet.wire_data();
 
 		detail::async_write(
 			_stream, asio::buffer(wire_data),
@@ -349,7 +349,7 @@ public:
 			reason_codes::continue_authentication.value(), props
 		);
 
-		const auto& wire_data = packet.wire_data();
+		auto wire_data = packet.wire_data();
 
 		detail::async_write(
 			_stream, asio::buffer(wire_data),
diff --git a/include/async_mqtt5/impl/disconnect_op.hpp b/include/async_mqtt5/impl/disconnect_op.hpp
index bf1c5bd..67d6ecd 100644
--- a/include/async_mqtt5/impl/disconnect_op.hpp
+++ b/include/async_mqtt5/impl/disconnect_op.hpp
@@ -86,7 +86,7 @@ public:
 	}
 
 	void send_disconnect(control_packet<allocator_type> disconnect) {
-		const auto& wire_data = disconnect.wire_data();
+		auto wire_data = disconnect.wire_data();
 		_svc_ptr->async_send(
 			wire_data,
 			no_serial, send_flag::terminal,
diff --git a/include/async_mqtt5/impl/ping_op.hpp b/include/async_mqtt5/impl/ping_op.hpp
index b52849a..109466a 100644
--- a/include/async_mqtt5/impl/ping_op.hpp
+++ b/include/async_mqtt5/impl/ping_op.hpp
@@ -70,7 +70,7 @@ public:
 			no_pid, get_allocator(), encoders::encode_pingreq
 		);
 
-		const auto& wire_data = pingreq.wire_data();
+		auto wire_data = pingreq.wire_data();
 		_svc_ptr->async_send(
 			wire_data,
 			no_serial, send_flag::none,
diff --git a/include/async_mqtt5/impl/publish_rec_op.hpp b/include/async_mqtt5/impl/publish_rec_op.hpp
index 67ff17a..56d349a 100644
--- a/include/async_mqtt5/impl/publish_rec_op.hpp
+++ b/include/async_mqtt5/impl/publish_rec_op.hpp
@@ -87,7 +87,7 @@ public:
 	}
 
 	void send_puback(control_packet<allocator_type> puback) {
-		const auto& wire_data = puback.wire_data();
+		auto wire_data = puback.wire_data();
 		_svc_ptr->async_send(
 			wire_data,
 			no_serial, send_flag::none,
@@ -106,7 +106,7 @@ public:
 	}
 
 	void send_pubrec(control_packet<allocator_type> pubrec) {
-		const auto& wire_data = pubrec.wire_data();
+		auto wire_data = pubrec.wire_data();
 		_svc_ptr->async_send(
 			wire_data,
 			no_serial, send_flag::none,
@@ -163,7 +163,7 @@ public:
 	}
 
 	void send_pubcomp(control_packet<allocator_type> pubcomp) {
-		const auto& wire_data = pubcomp.wire_data();
+		auto wire_data = pubcomp.wire_data();
 		_svc_ptr->async_send(
 			wire_data,
 			no_serial, send_flag::none,
diff --git a/include/async_mqtt5/impl/publish_send_op.hpp b/include/async_mqtt5/impl/publish_send_op.hpp
index d9903fa..ef48146 100644
--- a/include/async_mqtt5/impl/publish_send_op.hpp
+++ b/include/async_mqtt5/impl/publish_send_op.hpp
@@ -136,7 +136,7 @@ public:
 			return;
 		}
 
-		const auto& wire_data = publish.wire_data();
+		auto wire_data = publish.wire_data();
 		_svc_ptr->async_send(
 			wire_data,
 			_serial_num,
@@ -266,7 +266,7 @@ public:
 	}
 
 	void send_pubrel(control_packet<allocator_type> pubrel, bool throttled) {
-		const auto& wire_data = pubrel.wire_data();
+		auto wire_data = pubrel.wire_data();
 		_svc_ptr->async_send(
 			wire_data,
 			_serial_num,
diff --git a/include/async_mqtt5/impl/re_auth_op.hpp b/include/async_mqtt5/impl/re_auth_op.hpp
index f0c5cb9..5ea1a8e 100644
--- a/include/async_mqtt5/impl/re_auth_op.hpp
+++ b/include/async_mqtt5/impl/re_auth_op.hpp
@@ -108,7 +108,7 @@ public:
 			rc.value(), props
 		);
 
-		const auto& wire_data = packet.wire_data();
+		auto wire_data = packet.wire_data();
 
 		_svc_ptr->async_send(
 			wire_data,
diff --git a/include/async_mqtt5/impl/subscribe_op.hpp b/include/async_mqtt5/impl/subscribe_op.hpp
index babfead..cde4355 100644
--- a/include/async_mqtt5/impl/subscribe_op.hpp
+++ b/include/async_mqtt5/impl/subscribe_op.hpp
@@ -94,7 +94,7 @@ public:
 		if (_handler.empty()) // already cancelled
 			return _svc_ptr->free_pid(subscribe.packet_id());
 
-		const auto& wire_data = subscribe.wire_data();
+		auto wire_data = subscribe.wire_data();
 		_svc_ptr->async_send(
 			wire_data,
 			no_serial, send_flag::none,
diff --git a/include/async_mqtt5/impl/unsubscribe_op.hpp b/include/async_mqtt5/impl/unsubscribe_op.hpp
index 4fd5985..b5f72a1 100644
--- a/include/async_mqtt5/impl/unsubscribe_op.hpp
+++ b/include/async_mqtt5/impl/unsubscribe_op.hpp
@@ -90,7 +90,7 @@ public:
 		if (_handler.empty()) // already cancelled
 			return _svc_ptr->free_pid(unsubscribe.packet_id());
 
-		const auto& wire_data = unsubscribe.wire_data();
+		auto wire_data = unsubscribe.wire_data();
 		_svc_ptr->async_send(
 			wire_data,
 			no_serial, send_flag::none,