diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/activity/impl/WorkoutSummaryParser.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/activity/impl/WorkoutSummaryParser.java
index ec304ac93..e7f3dc7d5 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/activity/impl/WorkoutSummaryParser.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/activity/impl/WorkoutSummaryParser.java
@@ -498,9 +498,9 @@ public class WorkoutSummaryParser extends XiaomiActivityParser implements Activi
             builder.addUnknown(7);
             builder.addByte("vitality_gain", UNIT_NONE);
             builder.addUnknown(16);
-            builder.addByte("averageHR2", UNIT_BPM);
-            builder.addByte("maxHR2", UNIT_BPM);
-            builder.addByte("minHR2", UNIT_BPM);
+            builder.addUnknown(1); // HR_AVG duplicate
+            builder.addUnknown(1); // HR_MAX duplicate
+            builder.addUnknown(1); // HR_MIN duplicate
             builder.addUnknown(2);
             builder.addByte(CADENCE_AVG, UNIT_SPM);
         }