diff --git a/src/data/balance/passives.ts b/src/data/balance/passives.ts
index 63a4b50e62f..f28b8bbdeea 100644
--- a/src/data/balance/passives.ts
+++ b/src/data/balance/passives.ts
@@ -2,7 +2,7 @@ import { Abilities } from "#app/enums/abilities";
 import { Species } from "#app/enums/species";
 
 export interface PassiveAbilities {
-  [key: integer]: Abilities
+  [key: number]: Abilities
 }
 
 interface StarterPassiveAbilities {