diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/DataSyncSelectorImplementation.kt b/app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/DataSyncSelectorImplementation.kt
index ccfa691d6c..54ed71eaf0 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/DataSyncSelectorImplementation.kt
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/DataSyncSelectorImplementation.kt
@@ -621,7 +621,6 @@ class DataSyncSelectorImplementation @Inject constructor(
     //private var lastTbrId = -1L
     //private var lastTbrTime = -1L
     override fun processChangedTemporaryBasalsCompat(): Boolean {
-        val useAbsolute = sp.getBoolean(R.string.key_ns_sync_use_absolute, false)
         val lastDbIdWrapped = appRepository.getLastTemporaryBasalIdWrapped().blockingGet()
         val lastDbId = if (lastDbIdWrapped is ValueWrapper.Existing) lastDbIdWrapped.value else 0L
         var startId = sp.getLong(R.string.key_ns_temporary_basal_last_synced_id, 0)
@@ -658,7 +657,7 @@ class DataSyncSelectorImplementation @Inject constructor(
                     tb.first.interfaceIDs.nightscoutId == null ->
                         nsClientPlugin.nsClientService?.dbAdd(
                             "treatments",
-                            tb.first.toJson(true, profile, dateUtil, useAbsolute),
+                            tb.first.toJson(true, profile, dateUtil),
                             DataSyncSelector.PairTemporaryBasal(tb.first, tb.second.id),
                             "$startId/$lastDbId"
                         )
@@ -667,7 +666,7 @@ class DataSyncSelectorImplementation @Inject constructor(
                         nsClientPlugin.nsClientService?.dbUpdate(
                             "treatments",
                             tb.first.interfaceIDs.nightscoutId,
-                            tb.first.toJson(false, profile, dateUtil, useAbsolute),
+                            tb.first.toJson(false, profile, dateUtil),
                             DataSyncSelector.PairTemporaryBasal(tb.first, tb.second.id),
                             "$startId/$lastDbId"
                         )
@@ -700,7 +699,6 @@ class DataSyncSelectorImplementation @Inject constructor(
     //private var lastEbId = -1L
     //private var lastEbTime = -1L
     override fun processChangedExtendedBolusesCompat(): Boolean {
-        val useAbsolute = sp.getBoolean(R.string.key_ns_sync_use_absolute, false)
         val lastDbIdWrapped = appRepository.getLastExtendedBolusIdWrapped().blockingGet()
         val lastDbId = if (lastDbIdWrapped is ValueWrapper.Existing) lastDbIdWrapped.value else 0L
         var startId = sp.getLong(R.string.key_ns_extended_bolus_last_synced_id, 0)
@@ -737,7 +735,7 @@ class DataSyncSelectorImplementation @Inject constructor(
                     eb.first.interfaceIDs.nightscoutId == null ->
                         nsClientPlugin.nsClientService?.dbAdd(
                             "treatments",
-                            eb.first.toJson(true, profile, dateUtil, useAbsolute),
+                            eb.first.toJson(true, profile, dateUtil),
                             DataSyncSelector.PairExtendedBolus(eb.first, eb.second.id),
                             "$startId/$lastDbId"
                         )
@@ -746,7 +744,7 @@ class DataSyncSelectorImplementation @Inject constructor(
                         nsClientPlugin.nsClientService?.dbUpdate(
                             "treatments",
                             eb.first.interfaceIDs.nightscoutId,
-                            eb.first.toJson(false, profile, dateUtil, useAbsolute),
+                            eb.first.toJson(false, profile, dateUtil),
                             DataSyncSelector.PairExtendedBolus(eb.first, eb.second.id),
                             "$startId/$lastDbId"
                         )
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/NSClientPlugin.kt b/app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/NSClientPlugin.kt
index 66f53f7fbf..e7255caf3c 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/NSClientPlugin.kt
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/general/nsclient/NSClientPlugin.kt
@@ -152,7 +152,7 @@ class NSClientPlugin @Inject constructor(
 
             preferenceFragment.findPreference<SwitchPreference>(rh.gs(R.string.key_ns_create_announcements_from_errors))?.isVisible = false
             preferenceFragment.findPreference<SwitchPreference>(rh.gs(R.string.key_ns_create_announcements_from_carbs_req))?.isVisible = false
-            preferenceFragment.findPreference<SwitchPreference>(rh.gs(R.string.key_ns_sync_use_absolute))?.isVisible = false
+//            preferenceFragment.findPreference<SwitchPreference>(rh.gs(R.string.key_ns_sync_use_absolute))?.isVisible = false
         } else {
             // APS or pumpControl mode
             preferenceFragment.findPreference<SwitchPreference>(rh.gs(R.string.key_ns_receive_profile_switch))?.isVisible = buildHelper.isEngineeringMode()
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 2dc82f2e42..4d24ca2e1d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -66,7 +66,6 @@
     <string name="nav_resetdb">Reset Databases</string>
     <string name="reset_db_confirm">Do you really want to reset the databases?</string>
     <string name="nav_exit">Exit</string>
-    <string name="ns_sync_use_absolute_title">Always use basal absolute values</string>
     <string name="alert_dialog_permission_battery_optimization_failed">This device does not appear to support battery optimization whitelisting - you may experience performance issues.</string>
 
     <string name="description_actions">Some buttons to quickly access common features</string>
diff --git a/app/src/main/res/xml/pref_nsclientinternal.xml b/app/src/main/res/xml/pref_nsclientinternal.xml
index e2e14efa99..208bb66168 100644
--- a/app/src/main/res/xml/pref_nsclientinternal.xml
+++ b/app/src/main/res/xml/pref_nsclientinternal.xml
@@ -184,11 +184,6 @@
                 android:summary="@string/ns_localbroadcasts"
                 android:title="@string/ns_localbroadcasts_title" />
 
-            <SwitchPreference
-                android:defaultValue="false"
-                android:key="@string/key_ns_sync_use_absolute"
-                android:title="@string/ns_sync_use_absolute_title" />
-
             <SwitchPreference
                 android:defaultValue="false"
                 android:key="@string/key_ns_sync_slow"
diff --git a/core/src/main/java/info/nightscout/androidaps/extensions/ExtendedBolusExtension.kt b/core/src/main/java/info/nightscout/androidaps/extensions/ExtendedBolusExtension.kt
index d42d4c4b41..339dd0b797 100644
--- a/core/src/main/java/info/nightscout/androidaps/extensions/ExtendedBolusExtension.kt
+++ b/core/src/main/java/info/nightscout/androidaps/extensions/ExtendedBolusExtension.kt
@@ -50,10 +50,10 @@ fun ExtendedBolus.toTemporaryBasal(profile: Profile): TemporaryBasal =
         type = TemporaryBasal.Type.FAKE_EXTENDED
     )
 
-fun ExtendedBolus.toJson(isAdd: Boolean, profile: Profile, dateUtil: DateUtil, useAbsolute: Boolean): JSONObject =
+fun ExtendedBolus.toJson(isAdd: Boolean, profile: Profile, dateUtil: DateUtil): JSONObject =
     if (isEmulatingTempBasal)
         toTemporaryBasal(profile)
-            .toJson(isAdd, profile, dateUtil, useAbsolute)
+            .toJson(isAdd, profile, dateUtil)
             .put("extendedEmulated", toRealJson(isAdd, dateUtil))
     else toRealJson(isAdd, dateUtil)
 
diff --git a/core/src/main/java/info/nightscout/androidaps/extensions/TemporaryBasalExtension.kt b/core/src/main/java/info/nightscout/androidaps/extensions/TemporaryBasalExtension.kt
index fca80bd85b..8c10b1ac1b 100644
--- a/core/src/main/java/info/nightscout/androidaps/extensions/TemporaryBasalExtension.kt
+++ b/core/src/main/java/info/nightscout/androidaps/extensions/TemporaryBasalExtension.kt
@@ -62,7 +62,7 @@ fun TemporaryBasal.toStringFull(profile: Profile, dateUtil: DateUtil): String {
     }
 }
 
-fun TemporaryBasal.toJson(isAdd: Boolean, profile: Profile, dateUtil: DateUtil, useAbsolute: Boolean): JSONObject =
+fun TemporaryBasal.toJson(isAdd: Boolean, profile: Profile, dateUtil: DateUtil): JSONObject =
     JSONObject()
         .put("created_at", dateUtil.toISOString(timestamp))
         .put("enteredBy", "openaps://" + "AndroidAPS")
@@ -72,9 +72,10 @@ fun TemporaryBasal.toJson(isAdd: Boolean, profile: Profile, dateUtil: DateUtil,
         .put("durationInMilliseconds", duration) // rounded duration leads to different basal IOB
         .put("rate", rate)
         .put("type", type.name)
+        .put("isAbsolute", isAbsolute)
+        .put("absolute", convertedToAbsolute(timestamp, profile))
+        .put("percent", convertedToPercent(timestamp, profile) - 100)
         .also {
-            if (useAbsolute) it.put("absolute", convertedToAbsolute(timestamp, profile))
-            else it.put("percent", convertedToPercent(timestamp, profile) - 100)
             if (interfaceIDs.pumpId != null) it.put("pumpId", interfaceIDs.pumpId)
             if (interfaceIDs.endId != null) it.put("endId", interfaceIDs.endId)
             if (interfaceIDs.pumpType != null) it.put("pumpType", interfaceIDs.pumpType!!.name)
@@ -97,6 +98,8 @@ fun temporaryBasalFromNsIdForInvalidating(nsId: String): TemporaryBasal =
 
 fun temporaryBasalFromJson(jsonObject: JSONObject): TemporaryBasal? {
     val timestamp = JsonHelper.safeGetLongAllowNull(jsonObject, "mills", null) ?: return null
+    var rate = JsonHelper.safeGetDoubleAllowNull(jsonObject, "rate")
+    var isAbsolute = JsonHelper.safeGetBooleanAllowNull(jsonObject, "isAbsolute")
     val percent = JsonHelper.safeGetDoubleAllowNull(jsonObject, "percent")
     val absolute = JsonHelper.safeGetDoubleAllowNull(jsonObject, "absolute")
     val duration = JsonHelper.safeGetLongAllowNull(jsonObject, "duration") ?: return null
@@ -109,7 +112,8 @@ fun temporaryBasalFromJson(jsonObject: JSONObject): TemporaryBasal? {
     val pumpType = InterfaceIDs.PumpType.fromString(JsonHelper.safeGetStringAllowNull(jsonObject, "pumpType", null))
     val pumpSerial = JsonHelper.safeGetStringAllowNull(jsonObject, "pumpSerial", null)
 
-    val rate = if (percent != null) percent + 100 else absolute ?: return null
+    rate = rate ?: if (percent != null) percent + 100 else absolute ?: return null
+    isAbsolute = isAbsolute ?: percent == null
     if (duration == 0L) return null
     if (timestamp == 0L) return null
 
@@ -118,7 +122,7 @@ fun temporaryBasalFromJson(jsonObject: JSONObject): TemporaryBasal? {
         rate = rate,
         duration = durationInMilliseconds ?: T.mins(duration).msecs(),
         type = type,
-        isAbsolute = percent == null,
+        isAbsolute = isAbsolute,
         isValid = isValid
     ).also {
         it.interfaceIDs.nightscoutId = id
diff --git a/core/src/main/java/info/nightscout/androidaps/utils/JsonHelper.kt b/core/src/main/java/info/nightscout/androidaps/utils/JsonHelper.kt
index d592a180b7..5f411115fb 100644
--- a/core/src/main/java/info/nightscout/androidaps/utils/JsonHelper.kt
+++ b/core/src/main/java/info/nightscout/androidaps/utils/JsonHelper.kt
@@ -150,4 +150,15 @@ object JsonHelper {
         }
         return result
     }
+
+    fun safeGetBooleanAllowNull(json: JSONObject?, fieldName: String, defaultValue: Boolean? = null): Boolean? {
+        var result = defaultValue
+        if (json != null && json.has(fieldName)) {
+            try {
+                result = json.getBoolean(fieldName)
+            } catch (ignored: JSONException) {
+            }
+        }
+        return result
+    }
 }
\ No newline at end of file
diff --git a/core/src/main/res/values/strings.xml b/core/src/main/res/values/strings.xml
index b653a9bc23..b1409ebfa3 100644
--- a/core/src/main/res/values/strings.xml
+++ b/core/src/main/res/values/strings.xml
@@ -24,7 +24,6 @@
     <string name="key_pump_unreachable_threshold_minutes" translatable="false">pump_unreachable_threshold</string>
     <string name="key_missed_bg_readings_threshold_minutes" translatable="false">missed_bg_readings_threshold</string>
     <string name="key_gradually_increase_notification_volume" translatable="false">gradually_increase_notification_volume</string>
-    <string name="key_ns_sync_use_absolute" translatable="false">ns_sync_use_absolute</string>
     <string name="key_virtualpump_type" translatable="false">virtualpump_type</string>
     <string name="key_quickwizard" translatable="false">QuickWizard</string>
     <string name="key_wear_control" translatable="false">wearcontrol</string>