diff --git a/apps/bootgattbat/ChangeLog b/apps/bootgattbat/ChangeLog
index 2a37193a3..df07f6ad0 100644
--- a/apps/bootgattbat/ChangeLog
+++ b/apps/bootgattbat/ChangeLog
@@ -1 +1,2 @@
 0.01: Initial release.
+0.02: Handle the case where other apps have set bleAdvert to an array
diff --git a/apps/bootgattbat/boot.js b/apps/bootgattbat/boot.js
index d67b766b5..34d9f8d93 100644
--- a/apps/bootgattbat/boot.js
+++ b/apps/bootgattbat/boot.js
@@ -1,6 +1,22 @@
 (() => {
   function advertiseBattery() {
-    Bangle.bleAdvert[0x180F] = [E.getBattery()];
+    if(Array.isArray(Bangle.bleAdvert)){
+      // ensure we're in the cycle
+      var found = false;
+      for(var ad in Bangle.bleAdvert){
+        if(ad[0x180F]){
+          ad[0x180F] = [E.getBattery()];
+          found = true;
+          break;
+        }
+      }
+      if(!found)
+        Bangle.bleAdvert.push({ 0x180F: [E.getBattery()] });
+    }else{
+      // simple object
+      Bangle.bleAdvert[0x180F] = [E.getBattery()];
+    }
+
     NRF.setAdvertising(Bangle.bleAdvert);
   }
 
diff --git a/apps/bootgattbat/metadata.json b/apps/bootgattbat/metadata.json
index 95a521f47..f67b4507d 100644
--- a/apps/bootgattbat/metadata.json
+++ b/apps/bootgattbat/metadata.json
@@ -2,7 +2,7 @@
   "id": "bootgattbat",
   "name": "BLE GATT Battery Service",
   "shortName": "BLE Battery Service",
-  "version": "0.01",
+  "version": "0.02",
   "description": "Adds the GATT Battery Service to advertise the percentage of battery currently remaining over Bluetooth.\n",
   "icon": "bluetooth.png",
   "type": "bootloader",