diff --git a/src/data/move.ts b/src/data/move.ts
index 23e6e4511f5..e5bb53b360f 100644
--- a/src/data/move.ts
+++ b/src/data/move.ts
@@ -5945,7 +5945,7 @@ export class CopyBiomeTypeAttr extends MoveEffectAttr {
     user.summonData.types = [ typeChange ];
     user.updateInfo();
 
-    user.scene.queueMessage(i18next.t("moveTriggers:transformedIntoType", { pokemonName: getPokemonNameWithAffix(user), typeName: i18next.t(`pokemonInfo:Type.${Type[biomeType]}`) }));
+    user.scene.queueMessage(i18next.t("moveTriggers:transformedIntoType", { pokemonName: getPokemonNameWithAffix(user), typeName: i18next.t(`pokemonInfo:Type.${Type[typeChange]}`) }));
 
     return true;
   }