diff --git a/src/blackcore/afv/dto.h b/src/blackcore/afv/dto.h
index 0e2a7a1f1..54f8f04d3 100644
--- a/src/blackcore/afv/dto.h
+++ b/src/blackcore/afv/dto.h
@@ -119,7 +119,8 @@ namespace BlackCore
                 json["Frequency"] = static_cast<int>(frequency);
                 json["LatDeg"] = LatDeg;
                 json["LonDeg"] = LonDeg;
-                json["AltMslM"] = HeightMslM;
+                json["HeightMslM"] = HeightMslM;
+                json["HeightAglM"] = HeightAglM;
                 return json;
             }