diff --git a/src/main/lemondronor/circlebot.cljs b/src/main/lemondronor/circlebot.cljs
index eb0d565..f86f570 100644
--- a/src/main/lemondronor/circlebot.cljs
+++ b/src/main/lemondronor/circlebot.cljs
@@ -79,6 +79,7 @@
   (let [icao (:icao ac)
         new-history-entry {:lat (:lat ac)
                            :lon (:lon ac)
+                           :alt (:alt ac)
                            :time (:postime ac)}]
     (if (contains? db icao)
       (let [old-record (db icao)