diff --git a/app/src/main/kotlin/com/simplemobiletools/notes/pro/adapters/WidgetAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/notes/pro/adapters/WidgetAdapter.kt
index 45bde63f..550422ee 100644
--- a/app/src/main/kotlin/com/simplemobiletools/notes/pro/adapters/WidgetAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/notes/pro/adapters/WidgetAdapter.kt
@@ -94,6 +94,9 @@ class WidgetAdapter(val context: Context, val intent: Intent) : RemoteViewsServi
         if (note?.type == NoteType.TYPE_CHECKLIST.value) {
             val checklistItemType = object : TypeToken<List<ChecklistItem>>() {}.type
             checklistItems = Gson().fromJson<ArrayList<ChecklistItem>>(note!!.value, checklistItemType) ?: ArrayList(1)
+
+            // checklist title can be null only because of the glitch in upgrade to 6.6.0, remove this check in the future
+            checklistItems = checklistItems.filter { it.title != null }.toMutableList() as ArrayList<ChecklistItem>
             if (context.config.moveDoneChecklistItems) {
                 checklistItems.sortBy { it.isDone }
             }
diff --git a/app/src/main/kotlin/com/simplemobiletools/notes/pro/fragments/ChecklistFragment.kt b/app/src/main/kotlin/com/simplemobiletools/notes/pro/fragments/ChecklistFragment.kt
index 2d636e77..c7e34f80 100644
--- a/app/src/main/kotlin/com/simplemobiletools/notes/pro/fragments/ChecklistFragment.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/notes/pro/fragments/ChecklistFragment.kt
@@ -59,6 +59,9 @@ class ChecklistFragment : NoteFragment(), ChecklistItemsListener {
                 try {
                     val checklistItemType = object : TypeToken<List<ChecklistItem>>() {}.type
                     items = Gson().fromJson<ArrayList<ChecklistItem>>(storedNote.value, checklistItemType) ?: ArrayList(1)
+
+                    // checklist title can be null only because of the glitch in upgrade to 6.6.0, remove this check in the future
+                    items = items.filter { it.title != null }.toMutableList() as ArrayList<ChecklistItem>
                 } catch (e: Exception) {
                     migrateCheckListOnFailure(storedNote)
                 }