diff --git a/Rover/Rover.cpp b/Rover/Rover.cpp
index a8fc94074d..7460a561e0 100644
--- a/Rover/Rover.cpp
+++ b/Rover/Rover.cpp
@@ -435,7 +435,7 @@ void Rover::one_second_loop(void)
     set_control_channels();
 
     // cope with changes to aux functions
-    SRV_Channels::enable_aux_servos();
+    AP::srv().enable_aux_servos();
 
     // update notify flags
     AP_Notify::flags.pre_arm_check = arming.pre_arm_checks(false);
diff --git a/Rover/system.cpp b/Rover/system.cpp
index 6911b78b74..06405d5e31 100644
--- a/Rover/system.cpp
+++ b/Rover/system.cpp
@@ -70,7 +70,7 @@ void Rover::init_ardupilot()
 
     init_rc_in();            // sets up rc channels deadzone
     g2.motors.init(get_frame_type());        // init motors including setting servo out channels ranges
-    SRV_Channels::enable_aux_servos();
+    AP::srv().enable_aux_servos();
 
     // init wheel encoders
     g2.wheel_encoder.init();