diff --git a/gallery_dl/extractor/luscious.py b/gallery_dl/extractor/luscious.py
index 6d8dffc5..bf0a089b 100644
--- a/gallery_dl/extractor/luscious.py
+++ b/gallery_dl/extractor/luscious.py
@@ -62,7 +62,10 @@ class LusciousAlbumExtractor(AsynchronousExtractor):
             ("language", '<p>Language:', ' '),
         ), values={"gallery-id": self.gid})[0]
         data["lang"] = util.language_to_code(data["language"] or "", None)
-        data["artist"] = text.extract(data["tags"], "rtist: ", ",")[0] or None
+        try:
+            data["artist"] = text.extract(data["tags"], "rtist: ", ",")[0] or None
+        except AttributeError:
+            data["artist"] = None
         self.section = data["com"]
         del data["com"]
         return data
diff --git a/gallery_dl/util.py b/gallery_dl/util.py
index 9cd223b9..7271674e 100644
--- a/gallery_dl/util.py
+++ b/gallery_dl/util.py
@@ -87,6 +87,8 @@ def code_to_language(code, default="English"):
 
 def language_to_code(lang, default="en"):
     """Map a language name to its ISO 639-1 code"""
+    if lang is None:
+        return None
     lang = lang.capitalize()
     for code, language in CODES.items():
         if language == lang: