diff --git a/ArduCopter/RC_Channel.cpp b/ArduCopter/RC_Channel.cpp
index a9d33c414c..0e4be776e5 100644
--- a/ArduCopter/RC_Channel.cpp
+++ b/ArduCopter/RC_Channel.cpp
@@ -140,7 +140,7 @@ void RC_Channel_Copter::init_aux_function(const AUX_FUNC ch_option, const AuxSwi
     case AUX_FUNC::CUSTOM_CONTROLLER:
     case AUX_FUNC::WEATHER_VANE_ENABLE:
     case AUX_FUNC::TRANSMITTER_TUNING:
-        run_aux_function(ch_option, ch_flag, AuxFuncTrigger::Source::INIT);
+        run_aux_function(ch_option, ch_flag, AuxFuncTrigger::Source::INIT, ch_in);
         break;
     default:
         RC_Channel::init_aux_function(ch_option, ch_flag);