diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java
index 1c27f040bf..7ecb6bbdae 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java
@@ -1001,7 +1001,7 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
                     i--; // back up one (because we deleted it)
                 }
             }
-            String packetStr = new String(chars);
+            String packetStr = new String(chars, StandardCharsets.ISO_8859_1);
             LOG.debug("RX: " + packetStr);
             // logging
             addReceiveHistory(packetStr);