diff --git a/Rover/Parameters.cpp b/Rover/Parameters.cpp
index 3001eea1e3..4d1d7df20b 100644
--- a/Rover/Parameters.cpp
+++ b/Rover/Parameters.cpp
@@ -705,7 +705,7 @@ ParametersG2::ParametersG2(void)
 #if ADVANCED_FAILSAFE == ENABLED
     afs(),
 #endif
-    beacon(rover.serial_manager),
+    beacon(),
     motors(rover.ServoRelayEvents, wheel_rate_control),
     wheel_rate_control(wheel_encoder),
     attitude_control(),