diff --git a/apps/android/boot.js b/apps/android/boot.js
index 8917b2cd3d..9599b2d23d 100644
--- a/apps/android/boot.js
+++ b/apps/android/boot.js
@@ -215,6 +215,7 @@
           Bluetooth.println("");
           Bluetooth.println(JSON.stringify({t:"actTrk", log:event.id, line:line}));
           line = log.readLine();
+          if (!line) {Bluetooth.println("end of recorder log");}
         }
       },