diff --git a/src/data/pokemon-species.ts b/src/data/pokemon-species.ts
index 7dec41787..786ccd881 100644
--- a/src/data/pokemon-species.ts
+++ b/src/data/pokemon-species.ts
@@ -3234,7 +3234,7 @@ export const starterPassiveAbilities = {
   [Species.ZIGZAGOON]: Abilities.PICKPOCKET,
   [Species.WURMPLE]: Abilities.TINTED_LENS,
   [Species.LOTAD]: Abilities.DRIZZLE,
-  [Species.SEEDOT]: Abilities.DISGUISE,
+  [Species.SEEDOT]: Abilities.EARLY_BIRD,
   [Species.TAILLOW]: Abilities.KEEN_EYE,
   [Species.WINGULL]: Abilities.HYDRATION,
   [Species.RALTS]: Abilities.PSYCHIC_SURGE,
@@ -3409,7 +3409,7 @@ export const starterPassiveAbilities = {
   [Species.AXEW]: Abilities.SHEER_FORCE,
   [Species.CUBCHOO]: Abilities.INTIMIDATE,
   [Species.CRYOGONAL]: Abilities.DAZZLING,
-  [Species.SHELMET]: Abilities.DISGUISE,
+  [Species.SHELMET]: Abilities.TOXIC_DEBRIS,
   [Species.STUNFISK]: Abilities.STORM_DRAIN,
   [Species.MIENFOO]: Abilities.NO_GUARD,
   [Species.DRUDDIGON]: Abilities.INTIMIDATE,
@@ -3639,7 +3639,7 @@ export const starterPassiveAbilities = {
   [Species.OKIDOGI]: Abilities.INTIMIDATE,
   [Species.MUNKIDORI]: Abilities.PRANKSTER,
   [Species.FEZANDIPITI]: Abilities.DAZZLING,
-  [Species.OGERPON]: Abilities.DISGUISE,
+  [Species.OGERPON]: Abilities.UNNERVE,
   [Species.GOUGING_FIRE]: Abilities.BEAST_BOOST,
   [Species.RAGING_BOLT]: Abilities.BEAST_BOOST,
   [Species.IRON_BOULDER]: Abilities.SHARPNESS,