diff --git a/app/src/main/java/awais/instagrabber/adapters/NotificationsAdapter.java b/app/src/main/java/awais/instagrabber/adapters/NotificationsAdapter.java
index 80ab465b..9a9748e2 100644
--- a/app/src/main/java/awais/instagrabber/adapters/NotificationsAdapter.java
+++ b/app/src/main/java/awais/instagrabber/adapters/NotificationsAdapter.java
@@ -23,8 +23,8 @@ public final class NotificationsAdapter extends ListAdapter<Notification, Notifi
 
     private static final DiffUtil.ItemCallback<Notification> DIFF_CALLBACK = new DiffUtil.ItemCallback<Notification>() {
         @Override
-        public boolean areItemsTheSame(@NonNull final Notification oldItem, @NonNull final Notification newItem) {
-            return oldItem.getPk().equals(newItem.getPk());
+        public boolean areItemsTheSame(final Notification oldItem, final Notification newItem) {
+            return oldItem != null && newItem != null && oldItem.getPk().equals(newItem.getPk());
         }
 
         @Override