diff --git a/src/main/java/com/gmail/nossr50/datatypes/skills/alchemy/PotionStage.java b/src/main/java/com/gmail/nossr50/datatypes/skills/alchemy/PotionStage.java
index d77cf6f38..a0d0fa4bb 100644
--- a/src/main/java/com/gmail/nossr50/datatypes/skills/alchemy/PotionStage.java
+++ b/src/main/java/com/gmail/nossr50/datatypes/skills/alchemy/PotionStage.java
@@ -39,7 +39,7 @@ public enum PotionStage {
     }
 
     private static boolean isWaterBottle(AlchemyPotion input) {
-        return input.toPotion(1).getEffects().isEmpty();
+        return input.getDataValue() == 0;
     }
 
     public static PotionStage getPotionStage(AlchemyPotion alchemyPotion) {