diff --git a/ArduCopter/flight_mode.cpp b/ArduCopter/flight_mode.cpp
index f8e9cc2478..cb2a461c0f 100644
--- a/ArduCopter/flight_mode.cpp
+++ b/ArduCopter/flight_mode.cpp
@@ -223,6 +223,9 @@ void Copter::update_flight_mode()
         case THROW:
             throw_run();
             break;
+
+        default:
+            break;
     }
 }