diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/MiBandSupport.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/MiBandSupport.java
index ff12bf68..b789938a 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/MiBandSupport.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/MiBandSupport.java
@@ -112,12 +112,12 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
         return builder;
     }
 
-    private MiBandSupport setLowLatency(TransactionBuilder builder) {
+    public MiBandSupport setLowLatency(TransactionBuilder builder) {
         builder.write(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_LE_PARAMS), getLowLatency());
         return this;
     }
 
-    private MiBandSupport setHighLatency(TransactionBuilder builder) {
+    public MiBandSupport setHighLatency(TransactionBuilder builder) {
         builder.write(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_LE_PARAMS), getHighLatency());
         return this;
     }
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/operations/FetchActivityOperation.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/operations/FetchActivityOperation.java
index 42faa337..ea4dd069 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/operations/FetchActivityOperation.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/operations/FetchActivityOperation.java
@@ -147,7 +147,7 @@ public class FetchActivityOperation extends AbstractMiBandOperation {
 //        scheduleTaskExecutor = Executors.newScheduledThreadPool(1);
 
         TransactionBuilder builder = performInitialized("fetch activity data");
-//            builder.write(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_LE_PARAMS), getLowLatency());
+        getSupport().setLowLatency(builder);
         builder.add(new SetDeviceBusyAction(getDevice(), getContext().getString(R.string.busy_task_fetch_activity_data), getContext()));
         builder.write(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_CONTROL_POINT), fetch);
         builder.queue(getQueue());
@@ -403,6 +403,7 @@ public class FetchActivityOperation extends AbstractMiBandOperation {
                 if (prefs.getBoolean(MiBandConst.PREF_MIBAND_DONT_ACK_TRANSFER, false)) {
                     builder = performInitialized("send acknowledge");
                     builder.write(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_CONTROL_POINT), new byte[]{MiBandService.COMMAND_STOP_SYNC_DATA});
+                    getSupport().setHighLatency(builder);
                     builder.queue(getQueue());
                 }
                 handleActivityFetchFinish();