diff --git a/libraries/AP_Mission/AP_Mission_Commands.cpp b/libraries/AP_Mission/AP_Mission_Commands.cpp
index ab69c46824..c25b34131d 100644
--- a/libraries/AP_Mission/AP_Mission_Commands.cpp
+++ b/libraries/AP_Mission/AP_Mission_Commands.cpp
@@ -31,7 +31,7 @@ bool AP_Mission::start_command_do_aux_function(const AP_Mission::Mission_Command
     default:
         return false;
     }
-    rc().run_aux_function(function, pos, RC_Channel::AuxFuncTriggerSource::MISSION);
+    rc().run_aux_function(function, pos, RC_Channel::AuxFuncTrigger::Source::MISSION);
     return true;
 }
 #endif  // AP_RC_CHANNEL_ENABLED