diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/operations/FetchStressAutoOperation.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/operations/FetchStressAutoOperation.java
index f64b19691..1cdd8ab21 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/operations/FetchStressAutoOperation.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/operations/FetchStressAutoOperation.java
@@ -57,6 +57,7 @@ public class FetchStressAutoOperation extends AbstractRepeatingFetchOperation {
 
         for (byte b : bytes) {
             if (b == -1) {
+                timestamp.add(Calendar.MINUTE, 1);
                 continue;
             }