diff --git a/Core/Debugger/WebSocket/SteppingBroadcaster.cpp b/Core/Debugger/WebSocket/SteppingBroadcaster.cpp
index bde51e1f2f..7d9b224928 100644
--- a/Core/Debugger/WebSocket/SteppingBroadcaster.cpp
+++ b/Core/Debugger/WebSocket/SteppingBroadcaster.cpp
@@ -56,6 +56,7 @@ void SteppingBroadcaster::Broadcast(net::WebSocketServer *ws) {
 		lastCounter_ = steppingCounter;
 		prevState_ = coreState;
 	} else {
+		lastCounter_ = -1;
 		prevState_ = CORE_POWERDOWN;
 	}
 }