diff --git a/ArduCopterMega/GCS_Mavlink.pde b/ArduCopterMega/GCS_Mavlink.pde
index 24e62074de..eb3b6773f8 100644
--- a/ArduCopterMega/GCS_Mavlink.pde
+++ b/ArduCopterMega/GCS_Mavlink.pde
@@ -400,11 +400,8 @@ void GCS_MAVLINK::handleMessage(mavlink_message_t* msg)
                 // command needs scaling
                 x = tell_command.lat/1.0e7; // local (x), global (latitude)
                 y = tell_command.lng/1.0e7; // local (y), global (longitude)
-                if (tell_command.options & WP_OPTION_ALT_RELATIVE) {
-                    z = (tell_command.alt - home.alt) / 1.0e2; // because tell_command.alt already includes a += home.alt
-                } else {
-                    z = tell_command.alt/1.0e2; // local (z), global/relative (altitude)
-                }
+				// ACM is processing alt inside each command. so we save and load raw values. - this is diffrent to APM
+                z = tell_command.alt/1.0e2; // local (z), global/relative (altitude)
             }