diff --git a/libs/subliminal_patch/core.py b/libs/subliminal_patch/core.py
index d4c159a1c..5dda9fb3c 100644
--- a/libs/subliminal_patch/core.py
+++ b/libs/subliminal_patch/core.py
@@ -559,13 +559,16 @@ def _search_external_subtitles(path, languages=None, only_one=False, scandir_gen
     subtitles = {}
     _scandir = _scandir_generic if scandir_generic else scandir
     for entry in _scandir(dirpath):
+        if not entry.name and not scandir_generic:
+            logger.debug('Could not determine the name of the file, retrying with scandir_generic')
+            return _search_external_subtitles(path, languages, only_one, True)
         if not entry.is_file(follow_symlinks=False):
             continue
 
         p = entry.name
 
         # keep only valid subtitle filenames
-        if not p.lower().startswith(fileroot.lower()) or not p.endswith(SUBTITLE_EXTENSIONS):
+        if not p.lower().startswith(fileroot.lower()) or not p.lower().endswith(SUBTITLE_EXTENSIONS):
             continue
 
         p_root, p_ext = os.path.splitext(p)
diff --git a/libs/subliminal_patch/extensions.py b/libs/subliminal_patch/extensions.py
index 5e20e8556..e155439a6 100644
--- a/libs/subliminal_patch/extensions.py
+++ b/libs/subliminal_patch/extensions.py
@@ -63,3 +63,4 @@ subliminal.refiner_manager.register('drone = subliminal_patch.refiners.drone:ref
 subliminal.refiner_manager.register('filebot = subliminal_patch.refiners.filebot:refine')
 subliminal.refiner_manager.register('file_info_file = subliminal_patch.refiners.file_info_file:refine')
 subliminal.refiner_manager.register('symlinks = subliminal_patch.refiners.symlinks:refine')
+