diff --git a/archivers/telethon_archiver.py b/archivers/telethon_archiver.py
index ad1fadb..6407f09 100644
--- a/archivers/telethon_archiver.py
+++ b/archivers/telethon_archiver.py
@@ -28,7 +28,7 @@ class TelethonArchiver(Archiver):
         of `max_amp` both ways
         Returns a list of [post] where each post has media and is in the same grouped_id
         """
-        if getattr_or(original_post, "grouped_id") is not None:
+        if getattr_or(original_post, "grouped_id") is None:
             return [original_post] if getattr_or(original_post, "media") is not None else []
 
         search_ids = [i for i in range(original_post.id - max_amp, original_post.id + max_amp + 1)]