diff --git a/vending-app/src/main/java/com/android/vending/licensing/LicenseServiceNotificationRunnable.java b/vending-app/src/main/java/com/android/vending/licensing/LicenseServiceNotificationRunnable.java
index 7a82341ba2..34567d1d9a 100644
--- a/vending-app/src/main/java/com/android/vending/licensing/LicenseServiceNotificationRunnable.java
+++ b/vending-app/src/main/java/com/android/vending/licensing/LicenseServiceNotificationRunnable.java
@@ -70,7 +70,7 @@ public void run() {
         ignoreIntent.putExtra(INTENT_KEY_IGNORE_PACKAGE_NAME, callerPackageName);
         ignoreIntent.putExtra(INTENT_KEY_NOTIFICATION_ID, callerUid);
         PendingIntent ignorePendingIntent = PendingIntent.getBroadcast(
-            context, callerUid * 2 + 1, ignoreIntent, PendingIntent.FLAG_IMMUTABLE
+            context, callerUid * 2 + 1, ignoreIntent, PendingIntent.FLAG_MUTABLE
         );
 
         Notification notification = new NotificationCompat.Builder(context, CHANNEL_ID)
@@ -128,6 +128,11 @@ public void onReceive(Context context, Intent intent) {
             );
 
             String newIgnorePackage = intent.getStringExtra(INTENT_KEY_IGNORE_PACKAGE_NAME);
+            if (newIgnorePackage == null) {
+                Log.e(TAG, "Received no ignore package; can't add to ignore list.");
+                return;
+            }
+
             Log.d(TAG, "Adding package " + newIgnorePackage + " to ignore list");
 
             ignoreList.add(newIgnorePackage);
diff --git a/vending-app/src/main/java/com/android/vending/licensing/LicensingService.java b/vending-app/src/main/java/com/android/vending/licensing/LicensingService.java
index 95b4a02723..c66e9b7274 100644
--- a/vending-app/src/main/java/com/android/vending/licensing/LicensingService.java
+++ b/vending-app/src/main/java/com/android/vending/licensing/LicensingService.java
@@ -163,11 +163,15 @@ private void checkLicenseV2(String packageName, PackageManager packageManager,
         }
 
         private void handleNoAccounts(String packageName, PackageManager packageManager) {
+            notificationRunnable.callerPackageName = packageName;
             try {
                 Log.e(TAG, "not checking license, as user is not signed in");
                 PackageInfo packageInfo = packageManager.getPackageInfo(packageName, 0);
                 notificationRunnable.callerUid = packageInfo.applicationInfo.uid;
                 notificationRunnable.callerAppName = packageManager.getApplicationLabel(packageInfo.applicationInfo);
+                if (notificationRunnable.callerAppName == null) {
+                    notificationRunnable.callerAppName = packageName;
+                }
             } catch (PackageManager.NameNotFoundException e) {
                 Log.e(TAG, "ignored license request, but package name " + packageName + " was not known!");
                 notificationRunnable.callerAppName = packageName;