diff --git a/dist/renamer-0.2.11-py3-none-any.whl b/dist/renamer-0.2.11-py3-none-any.whl
new file mode 100644
index 0000000..8568185
Binary files /dev/null and b/dist/renamer-0.2.11-py3-none-any.whl differ
diff --git a/pyproject.toml b/pyproject.toml
index 8a2b767..5536cda 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "renamer"
-version = "0.2.10"
+version = "0.2.11"
 description = "Terminal-based media file renamer and metadata viewer"
 readme = "README.md"
 requires-python = ">=3.11"
diff --git a/renamer/extractors/mediainfo_extractor.py b/renamer/extractors/mediainfo_extractor.py
index 4b2177d..e8f311a 100644
--- a/renamer/extractors/mediainfo_extractor.py
+++ b/renamer/extractors/mediainfo_extractor.py
@@ -105,7 +105,7 @@ class MediaInfoExtractor:
         """Extract HDR info from media info"""
         if not self.video_tracks:
             return None
-        profile = getattr(self.video_tracks[0], 'format_profile', '')
+        profile = getattr(self.video_tracks[0], 'format_profile', '') or ''
         if 'HDR' in profile.upper():
             return 'HDR'
         return None
@@ -116,15 +116,15 @@ class MediaInfoExtractor:
             return None
         langs = []
         for a in self.audio_tracks:
-            lang_code = getattr(a, 'language', 'und').lower()
+            lang_code = getattr(a, 'language', 'und') or 'und'
             try:
                 # Try to get the 3-letter code
-                lang_obj = langcodes.Language.get(lang_code)
+                lang_obj = langcodes.Language.get(lang_code.lower())
                 alpha3 = lang_obj.to_alpha3()
                 langs.append(alpha3)
             except:
                 # If conversion fails, use the original code
-                langs.append(lang_code[:3])
+                langs.append(lang_code.lower()[:3])
         
         lang_counts = Counter(langs)
         audio_langs = [f"{count}{lang}" if count > 1 else lang for lang, count in lang_counts.items()]
@@ -140,7 +140,7 @@ class MediaInfoExtractor:
                 'height': getattr(v, 'height', None),
                 'bitrate': getattr(v, 'bit_rate', None),
                 'fps': getattr(v, 'frame_rate', None),
-                'profile': getattr(v, 'format_profile', None),
+                'profile': getattr(v, 'format_profile', None) or '',
             }
             tracks.append(track_data)
         return tracks
diff --git a/renamer/test/filenames/Beavis and Butt-Head Do the Universe (2022) [1080p,ukr,eng].mkv b/renamer/test/filenames/Beavis and Butt-Head Do the Universe (2022) [1080p,ukr,eng].mkv
new file mode 100644
index 0000000..e69de29
diff --git a/uv.lock b/uv.lock
index 141a636..e2a09d0 100644
--- a/uv.lock
+++ b/uv.lock
@@ -164,7 +164,7 @@ wheels = [
 
 [[package]]
 name = "renamer"
-version = "0.2.10"
+version = "0.2.11"
 source = { editable = "." }
 dependencies = [
     { name = "langcodes" },