diff --git a/res/cardsfolder/serum_tank.txt b/res/cardsfolder/serum_tank.txt
index 0d5a219dc99..9ffb0b66b27 100644
--- a/res/cardsfolder/serum_tank.txt
+++ b/res/cardsfolder/serum_tank.txt
@@ -3,7 +3,7 @@ ManaCost:3
 Types:Artifact
 Text:no text
 T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigPutCounter | TriggerDescription$ Whenever CARDNAME or another artifact enters the battlefield,
-T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Artifact.Other | Execute$ TrigPutCounter | TriggerDescription$ put a charge counter on CARDNAME.
+T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | TriggerZones$ Battlefield | ValidCard$ Artifact.Other | Execute$ TrigPutCounter | TriggerDescription$ put a charge counter on CARDNAME.
 A:AB$Draw | Cost$ 3 T SubCounter<1/CHARGE> | NumCards$ 1 | SpellDescription$ Draw a card.
 SVar:TrigPutCounter:AB$PutCounter | Cost$ 0 | Defined$ Self | CounterType$ CHARGE | CounterNum$ 1
 SVar:Rarity:Uncommon