diff --git a/backend/bang/players.py b/backend/bang/players.py
index 7f12dd1..d5e413f 100644
--- a/backend/bang/players.py
+++ b/backend/bang/players.py
@@ -648,7 +648,7 @@ class Player:
                 self.hand.insert(hand_index, card)
             else:
                 did_play_card = True
-        Metrics.send_metric('play_card', points=[1], tags=[f'success:{did_play_card}', f'card:{card.name}', f'bot:{self.is_bot}', f'exp:{card.expansion}'])
+        Metrics.send_metric('play_card', points=[1], tags=[f'success:{did_play_card}', f'card:{card.name}', f'bot:{self.is_bot}', f'exp:{card.expansion if "expansion" in card.__dict__ else "vanilla"}'])
         print("did play card:", did_play_card)
         self.notify_self()
         if self.is_bot: