diff --git a/sw/airborne/actuators.h b/sw/airborne/actuators.h
index b8240210f6..9485d8191a 100644
--- a/sw/airborne/actuators.h
+++ b/sw/airborne/actuators.h
@@ -48,9 +48,12 @@ extern uint16_t actuators[SERVOS_NB];
     actuators[x] = v;                                           \
   }
 
-#endif /* ACTUATORS */
+#else /* ACTUATORS */
 
 // define empty SetServo makro for sim
 #define SetServo(x, v) {}
 
+#endif /* ACTUATORS */
+
+
 #endif /* ACTUATORS_H */