diff --git a/app/src/main/java/app/fedilab/android/mastodon/helper/SpannableHelper.java b/app/src/main/java/app/fedilab/android/mastodon/helper/SpannableHelper.java
index 99812a5d..fd808edd 100644
--- a/app/src/main/java/app/fedilab/android/mastodon/helper/SpannableHelper.java
+++ b/app/src/main/java/app/fedilab/android/mastodon/helper/SpannableHelper.java
@@ -1052,10 +1052,12 @@ public class SpannableHelper {
 
         popupHashtagsBinding.muteTag.setOnClickListener(v -> {
             Filter fedilabFilter = null;
-            for (Filter filter : MainActivity.mainFilters) {
-                if (filter.title.equals(Helper.FEDILAB_MUTED_HASHTAGS)) {
-                    fedilabFilter = filter;
-                    break;
+            if(MainActivity.mainFilters != null) {
+                for (Filter filter : MainActivity.mainFilters) {
+                    if (filter.title.equals(Helper.FEDILAB_MUTED_HASHTAGS)) {
+                        fedilabFilter = filter;
+                        break;
+                    }
                 }
             }
             //Filter for Fedilab doesn't exist we have to create it
@@ -1071,7 +1073,7 @@ public class SpannableHelper {
                 FiltersVM filtersVM = new ViewModelProvider((ViewModelStoreOwner) context).get(FiltersVM.class);
                 filtersVM.addFilter(BaseMainActivity.currentInstance, BaseMainActivity.currentToken, filterParams)
                         .observe((LifecycleOwner) context, filter -> {
-                            if (filter != null) {
+                            if (filter != null && MainActivity.mainFilters != null) {
                                 MainActivity.mainFilters.add(filter);
                                 addTagToFilter(context, tag, status, filter);
                             }
diff --git a/app/src/main/java/app/fedilab/android/mastodon/ui/fragment/timeline/FragmentMastodonTimeline.java b/app/src/main/java/app/fedilab/android/mastodon/ui/fragment/timeline/FragmentMastodonTimeline.java
index 6aa76fe9..712f170c 100644
--- a/app/src/main/java/app/fedilab/android/mastodon/ui/fragment/timeline/FragmentMastodonTimeline.java
+++ b/app/src/main/java/app/fedilab/android/mastodon/ui/fragment/timeline/FragmentMastodonTimeline.java
@@ -514,7 +514,9 @@ public class FragmentMastodonTimeline extends Fragment implements StatusAdapter.
             initializeView();
             needToCallResume = false;
         }
-        ContextCompat.registerReceiver(requireActivity(), receive_action, new IntentFilter(Helper.RECEIVE_STATUS_ACTION), ContextCompat.RECEIVER_NOT_EXPORTED);
+        try {
+            ContextCompat.registerReceiver(requireActivity(), receive_action, new IntentFilter(Helper.RECEIVE_STATUS_ACTION), ContextCompat.RECEIVER_NOT_EXPORTED);
+        }catch (Exception ignored){}
     }
 
     /**
diff --git a/app/src/main/java/app/fedilab/android/mastodon/viewmodel/mastodon/TimelinesVM.java b/app/src/main/java/app/fedilab/android/mastodon/viewmodel/mastodon/TimelinesVM.java
index 92c5a351..b7dbce39 100644
--- a/app/src/main/java/app/fedilab/android/mastodon/viewmodel/mastodon/TimelinesVM.java
+++ b/app/src/main/java/app/fedilab/android/mastodon/viewmodel/mastodon/TimelinesVM.java
@@ -104,15 +104,23 @@ public class TimelinesVM extends AndroidViewModel {
 
 
     private static void sortDesc(List<Status> statusList) {
+        if(statusList == null) {
+            return;
+        }
         Collections.sort(statusList, (obj1, obj2) -> obj2.id.compareToIgnoreCase(obj1.id));
     }
 
     public static void sortAsc(List<Status> statusList) {
+        if(statusList == null) {
+            return;
+        }
         Collections.sort(statusList, (obj1, obj2) -> obj1.id.compareToIgnoreCase(obj2.id));
     }
 
-
     private static void sortDescConv(List<Conversation> conversationList) {
+        if(conversationList == null) {
+            return;
+        }
         Collections.sort(conversationList, (obj1, obj2) -> obj2.id.compareToIgnoreCase(obj1.id));
     }