diff --git a/Rover/Parameters.cpp b/Rover/Parameters.cpp
index 92f893e666..b2ae69aef5 100644
--- a/Rover/Parameters.cpp
+++ b/Rover/Parameters.cpp
@@ -739,7 +739,7 @@ ParametersG2::ParametersG2(void)
 #if AP_BEACON_ENABLED
     beacon(),
 #endif
-    motors(rover.ServoRelayEvents, wheel_rate_control),
+    motors(wheel_rate_control),
     wheel_rate_control(wheel_encoder),
     attitude_control(),
     smart_rtl(),