diff --git a/core/src/main/java/info/nightscout/androidaps/plugins/pump/PumpSyncImplementation.kt b/core/src/main/java/info/nightscout/androidaps/plugins/pump/PumpSyncImplementation.kt
index 1a92af8ae6..4858bb1c43 100644
--- a/core/src/main/java/info/nightscout/androidaps/plugins/pump/PumpSyncImplementation.kt
+++ b/core/src/main/java/info/nightscout/androidaps/plugins/pump/PumpSyncImplementation.kt
@@ -51,7 +51,7 @@ class PumpSyncImplementation @Inject constructor(
      * @param serialNumber  serial number  of of pump
      * @return true if data is allowed
      */
-    private fun confirmActivePump(timestamp: Long, type: PumpType, serialNumber: String): Boolean {
+    private fun confirmActivePump(timestamp: Long, type: PumpType, serialNumber: String, showNotification: Boolean = true): Boolean {
         val storedType = sp.getString(R.string.key_active_pump_type, "")
         val storedSerial = sp.getString(R.string.key_active_pump_serial_number, "")
         val storedTimestamp = sp.getLong(R.string.key_active_pump_change_timestamp, 0L)
@@ -70,7 +70,7 @@ class PumpSyncImplementation @Inject constructor(
             return true
         }
 
-        if ((type.description != storedType || serialNumber != storedSerial) && timestamp >= storedTimestamp)
+        if (showNotification && (type.description != storedType || serialNumber != storedSerial) && timestamp >= storedTimestamp)
             rxBus.send(EventNewNotification(Notification(Notification.WRONG_PUMP_DATA, resourceHelper.gs(R.string.wrong_pump_data), Notification.URGENT)))
         aapsLogger.error(LTag.PUMP, "Ignoring pump history record  Allowed: ${dateUtil.dateAndTimeAndSecondsString(storedTimestamp)} $storedType $storedSerial Received: $timestamp ${dateUtil.dateAndTimeAndSecondsString(timestamp)} ${type.description} $serialNumber")
         return false
@@ -397,7 +397,8 @@ class PumpSyncImplementation @Inject constructor(
     }
 
     override fun createOrUpdateTotalDailyDose(timestamp: Long, bolusAmount: Double, basalAmount: Double, totalAmount: Double, pumpId: Long?, pumpType: PumpType, pumpSerial: String): Boolean {
-        if (!confirmActivePump(timestamp, pumpType, pumpSerial)) return false
+        // there are probably old data in pump -> do not show notification, just ignore
+        if (!confirmActivePump(timestamp, pumpType, pumpSerial, showNotification = false)) return false
         val tdd = TotalDailyDose(
             timestamp = timestamp,
             bolusAmount = bolusAmount,