diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewFragment.kt b/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewFragment.kt
index 8748624e2d..b45feaea20 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewFragment.kt
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewFragment.kt
@@ -417,7 +417,7 @@ class OverviewFragment : DaggerFragment(), View.OnClickListener, OnLongClickList
                                     OKDialog.showConfirmation(activity, rh.gs(R.string.tempbasal_label), lastRun.constraintsProcessed?.toSpanned()
                                         ?: "".toSpanned(), {
                                                                   uel.log(Action.ACCEPTS_TEMP_BASAL, Sources.Overview)
-                                                                  (context?.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager).cancel(Constants.notificationID)
+                                                                  (context?.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager?)?.cancel(Constants.notificationID)
                                                                   rxBus.send(EventWearInitiateAction("cancelChangeRequest"))
                                                                   Thread { loop.acceptChangeRequest() }.run()
                                                                   binding.buttonsLayout.acceptTempButton.visibility = View.GONE