diff --git a/hardware/hardware_manager.cpp b/hardware/hardware_manager.cpp
index a2443aa1..0254dce2 100644
--- a/hardware/hardware_manager.cpp
+++ b/hardware/hardware_manager.cpp
@@ -202,6 +202,9 @@ void hardware_link::update( double const Deltatime, state_snapshot const &Snapsh
 	m_lastframeerrors = counters;
 	m_session.add_frame_errors( delta );
 
+	// the session answers a subscription with an immediate snapshot, so it needs the current state first
+	m_session.set_snapshot( Snapshot );
+
 	for( auto const &packet : packets )
 	{
 		m_session.handle_packet( packet );
diff --git a/hardware/protocol/protocol_session.h b/hardware/protocol/protocol_session.h
index 04beee51..f46cf90b 100644
--- a/hardware/protocol/protocol_session.h
+++ b/hardware/protocol/protocol_session.h
@@ -49,6 +49,8 @@ public:
 	void reset();
 	// consumes one decoded frame
 	void handle_packet( decoded_packet const &Packet );
+	// publishes the state of the current simulation frame, before the received frames are processed
+	void set_snapshot( state_snapshot const &Snapshot ) { m_snapshot = Snapshot; }
 	// periodic work: heartbeats, subscription updates, timeouts
 	void update( double const Deltatime, state_snapshot const &Snapshot );
 	// copies the current condition into the debug report