diff --git a/src/modules/rc_update/rc_update.cpp b/src/modules/rc_update/rc_update.cpp
index 98fef8eb10..3f53321d52 100644
--- a/src/modules/rc_update/rc_update.cpp
+++ b/src/modules/rc_update/rc_update.cpp
@@ -220,7 +220,7 @@ void RCUpdate::update_rc_functions()
 	_rc.function[rc_channels_s::FUNCTION_AUX_5] = _param_rc_map_aux5.get() - 1;
 	_rc.function[rc_channels_s::FUNCTION_AUX_6] = _param_rc_map_aux6.get() - 1;
 
-	_rc.function[rc_channels_s::FUNCTION_PAYLOAD_POWER] = _param_rc_map_payload_sw.get() - 1;
+	_rc.function[rc_channels_s::FUNCTION_PAYLOAD_POWER] = _param_rc_map_pay_sw.get() - 1;
 
 	for (int i = 0; i < rc_parameter_map_s::RC_PARAM_MAP_NCHAN; i++) {
 		_rc.function[rc_channels_s::FUNCTION_PARAM_1 + i] = _parameters.rc_map_param[i] - 1;
diff --git a/src/modules/rc_update/rc_update.h b/src/modules/rc_update/rc_update.h
index 5cfc60c673..6c44b4cbcf 100644
--- a/src/modules/rc_update/rc_update.h
+++ b/src/modules/rc_update/rc_update.h
@@ -230,7 +230,7 @@ protected:
 
 		(ParamInt<px4::params::RC_FAILS_THR>) _param_rc_fails_thr,
 
-		(ParamInt<px4::params::RC_MAP_PAY_SW>) _param_rc_map_payload_sw,
+		(ParamInt<px4::params::RC_MAP_PAY_SW>) _param_rc_map_pay_sw,
 
 		(ParamFloat<px4::params::RC_LOITER_TH>) _param_rc_loiter_th,
 		(ParamFloat<px4::params::RC_OFFB_TH>) _param_rc_offb_th,