diff --git a/src/auto_archiver/modules/generic_extractor/generic_extractor.py b/src/auto_archiver/modules/generic_extractor/generic_extractor.py
index e56167a..522a53d 100644
--- a/src/auto_archiver/modules/generic_extractor/generic_extractor.py
+++ b/src/auto_archiver/modules/generic_extractor/generic_extractor.py
@@ -303,7 +303,7 @@ class GenericExtractor(Extractor):
         if "description" in video_data and not result.get("content"):
             result.set_content(video_data["description"])
         # extract comments if enabled
-        if self.comments:
+        if self.comments and video_data.get("comments", []) is not None:
             result.set(
                 "comments",
                 [