diff --git a/src/backend/DigiRig.scala b/src/backend/DigiRig.scala
index a848378e..0afc4614 100644
--- a/src/backend/DigiRig.scala
+++ b/src/backend/DigiRig.scala
@@ -57,7 +57,7 @@ class DigiRig(service : AprsService, prefs : PrefsWrapper) extends AfskUploader(
 	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_MUTABLE)
 
 	// Audio stuff
 	var audioPlaying = false