diff --git a/app/modules/fediverse_preview.py b/app/modules/fediverse_preview.py
index 76c3a06..1d31277 100644
--- a/app/modules/fediverse_preview.py
+++ b/app/modules/fediverse_preview.py
@@ -17,9 +17,9 @@ class FediversePreviewModule(niobot.Module):
 
     @niobot.event("message")
     async def on_message(self, room: niobot.MatrixRoom, event: niobot.RoomMessage):
-        supported_prefixes = self.bot.cfg.get("fediverse_preview")
-        supported_prefixes = supported_prefixes.get("urls", ["https://fedi.transgender.ing"])
-        ignore = supported_prefixes.get("ignore", [])
+        config = self.bot.cfg.get("fediverse_preview")
+        supported_prefixes = config.get("urls", ["https://fedi.transgender.ing"])
+        ignore = config.get("ignore", [])
         if not isinstance(event, niobot.RoomMessageText):
             return
         if event.sender in ignore or room.room_id in ignore or event.sender == self.bot.user_id: