diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/oppo/OppoHeadphonesProtocol.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/oppo/OppoHeadphonesProtocol.java
index 6a956ea172..5d91d2dad6 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/oppo/OppoHeadphonesProtocol.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/oppo/OppoHeadphonesProtocol.java
@@ -263,7 +263,7 @@ public class OppoHeadphonesProtocol extends GBDeviceProtocol {
             .map(event -> ((GBDeviceEventBatteryInfo) event).batteryIndex)
             .toList();
 
-        for (int i = 0; i < 2; i++) {
+        for (int i = 0; i < 3; i++) {
             if (processedBatteries.contains(i)) {
                 continue;
             }