diff --git a/src/backend/UsbTnc.scala b/src/backend/UsbTnc.scala
index bcdd1d1..4224de0 100644
--- a/src/backend/UsbTnc.scala
+++ b/src/backend/UsbTnc.scala
@@ -49,7 +49,7 @@ class UsbTnc(service : AprsService, prefs : PrefsWrapper) extends AprsBackend(pr
 	var alreadyRunning = false
 
 	val intent = new Intent(USB_PERM_ACTION)
-	val pendingIntent = PendingIntent.getBroadcast(service, 0, intent, 0)
+	val pendingIntent = PendingIntent.getBroadcast(service, 0, intent, PendingIntent.FLAG_IMMUTABLE)
 
 	val receiver = new BroadcastReceiver() {
 		override def onReceive(ctx : Context, i : Intent) {
diff --git a/src/location/FixedPosition.scala b/src/location/FixedPosition.scala
index 36f0fda..a1c2cac 100644
--- a/src/location/FixedPosition.scala
+++ b/src/location/FixedPosition.scala
@@ -16,7 +16,7 @@ class FixedPosition(service : AprsService, prefs : PrefsWrapper) extends Locatio
 
 	val intent = new Intent(ALARM_ACTION)
 	val pendingIntent = PendingIntent.getBroadcast(service, 0, intent,
-			PendingIntent.FLAG_UPDATE_CURRENT)
+			PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE)
 
 	// get called on alarm
 	val receiver = new BroadcastReceiver() {