diff --git a/app.py b/app.py
index d7ecfa0..d6a1857 100755
--- a/app.py
+++ b/app.py
@@ -24,6 +24,7 @@ import auth
 import analytics as a
 import folder_secret_config_editor as fsce
 import helperfunctions as hf
+import fnmatch
 
 app_config = auth.return_app_config()
 BASE_DIR = os.path.realpath(app_config['BASE_DIR'])
@@ -136,7 +137,7 @@ def list_directory_contents(directory, subpath):
     music_exts = ('.mp3',)
     image_exts = ('.jpg', '.jpeg', '.png', '.gif', '.bmp')
     
-    blocked_filenames = ['Thumbs.db']
+    blocked_filenames = ['Thumbs.db', '*.mrk']
     
     try:
         with os.scandir(directory) as it:
@@ -146,8 +147,8 @@ def list_directory_contents(directory, subpath):
                 if entry.name.startswith('.'):
                     continue
                 
-                # Skip blocked_filenames
-                if entry.name in blocked_filenames:
+                # Skip blocked_filenames using fnmatch for wildcards
+                if any(fnmatch.fnmatch(entry.name, pattern) for pattern in blocked_filenames):
                     continue
 
                 if entry.is_dir(follow_symlinks=False):