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 fbd93b712..8f7ecab43 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
@@ -242,7 +242,7 @@ public class WorkoutSummaryParser extends XiaomiActivityParser implements Activi
         builder.addUnknown(9);
         builder.addByte("recoveryTime", "seconds");
         builder.addUnknown(2);
-        builder.addInt("vo2max", "ml/kg/min");
+        builder.addInt("hrZoneExtreme", "seconds");
         builder.addInt("hrZoneAnaerobic", "seconds");
         builder.addInt("hrZoneAerobic", "seconds");
         builder.addInt("hrZoneFatBurn", "seconds");