diff --git a/metadata_extract/meteor.py b/metadata_extract/meteor.py
index 3fd747b..fad8a42 100644
--- a/metadata_extract/meteor.py
+++ b/metadata_extract/meteor.py
@@ -29,9 +29,7 @@ def __default_detect(text: str) -> Optional[str]:
             lang = langdetect.detect(text)
         except LangDetectException:
             return None
-        if not isinstance(lang, str):
-            raise RuntimeError(f"Unexpected type for detected language: {type(lang)}")
-        if lang == "unknown":
+        if not isinstance(lang, str) or lang == "unknown":
             return None
         return lang