diff --git a/ArduCopter/GCS_Copter.h b/ArduCopter/GCS_Copter.h
index cde308b539..19be2fc8b2 100644
--- a/ArduCopter/GCS_Copter.h
+++ b/ArduCopter/GCS_Copter.h
@@ -27,6 +27,8 @@ public:
 
     const char* frame_string() const override;
 
+    bool vehicle_initialised() const override;
+
 private:
 
     GCS_MAVLINK_Copter _chan[MAVLINK_COMM_NUM_BUFFERS];
diff --git a/ArduCopter/GCS_Mavlink.cpp b/ArduCopter/GCS_Mavlink.cpp
index f0999220bd..2fb5d2a1ce 100644
--- a/ArduCopter/GCS_Mavlink.cpp
+++ b/ArduCopter/GCS_Mavlink.cpp
@@ -208,7 +208,7 @@ uint32_t GCS_MAVLINK_Copter::telem_delay() const
     return (uint32_t)(copter.g.telem_delay);
 }
 
-bool GCS_MAVLINK_Copter::vehicle_initialised() const {
+bool GCS_Copter::vehicle_initialised() const {
     return copter.ap.initialised;
 }
 
diff --git a/ArduCopter/GCS_Mavlink.h b/ArduCopter/GCS_Mavlink.h
index ad4beae439..532dcc6d7e 100644
--- a/ArduCopter/GCS_Mavlink.h
+++ b/ArduCopter/GCS_Mavlink.h
@@ -54,8 +54,6 @@ private:
     void handle_rc_channels_override(const mavlink_message_t *msg) override;
     bool try_send_message(enum ap_message id) override;
 
-    bool vehicle_initialised() const override;
-
     void packetReceived(const mavlink_status_t &status,
                         mavlink_message_t &msg) override;