diff --git a/lib/note_list.dart b/lib/note_list.dart
index d1122ab..1d06340 100755
--- a/lib/note_list.dart
+++ b/lib/note_list.dart
@@ -335,9 +335,9 @@ Happy note taking! ✨
         // ✅ Read file content ONLY if `Include File Content` is enabled
         final content = _includeFileContent ? note.readAsStringSync().toLowerCase() : '';
 
-        // ✅ Match partial tags instead of requiring full matches
+        // ✅ Match partial tags instead of requiring full matches (case-insensitive)
         final matchesTags = searchTags.every((tag) =>
-            noteTags.any((noteTag) => noteTag.startsWith(tag)));
+            noteTags.any((noteTag) => noteTag.toLowerCase().startsWith(tag)));
 
         if (!_includeFileContent) {
           return relativePath.contains(normalizedSearch) && matchesTags;