diff --git a/APMrover2/GCS_Mavlink.pde b/APMrover2/GCS_Mavlink.pde
index ce7d8372d6..26fc5aee56 100644
--- a/APMrover2/GCS_Mavlink.pde
+++ b/APMrover2/GCS_Mavlink.pde
@@ -446,7 +446,7 @@ bool GCS_MAVLINK::try_send_message(enum ap_message id)
 
     case MSG_RADIO_IN:
         CHECK_PAYLOAD_SIZE(RC_CHANNELS_RAW);
-        gcs[chan-MAVLINK_COMM_0].send_radio_in(rcmap, receiver_rssi);
+        gcs[chan-MAVLINK_COMM_0].send_radio_in(receiver_rssi);
         break;
 
     case MSG_RADIO_OUT: