diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index a7db6ddcdf3..6a05bea4c6d 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -186,6 +186,7 @@ import {
   applyAllyStatMultiplierAbAttrs,
   AllyStatMultiplierAbAttr,
   MoveAbilityBypassAbAttr,
+  PreSummonAbAttr,
 } from "#app/data/abilities/ability";
 import { allAbilities } from "#app/data/data-lists";
 import type PokemonData from "#app/system/pokemon-data";
@@ -2414,8 +2415,9 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
     const suppressAbilitiesTag = arena.getTag(
       ArenaTagType.NEUTRALIZING_GAS,
     ) as SuppressAbilitiesTag;
+    const suppressOffField = ability.hasAttr(PreSummonAbAttr);
     if (
-      this.isOnField() &&
+      (this.isOnField() || suppressOffField) &&
       suppressAbilitiesTag &&
       !suppressAbilitiesTag.isBeingRemoved()
     ) {
diff --git a/test/abilities/illusion.test.ts b/test/abilities/illusion.test.ts
index 998d29f169c..8aae433b6c0 100644
--- a/test/abilities/illusion.test.ts
+++ b/test/abilities/illusion.test.ts
@@ -65,7 +65,7 @@ describe("Abilities - Illusion", () => {
     expect(!!zorua.summonData.illusion).equals(false);
   });
 
-  it("break with neutralizing gas", async () => {
+  it("breaks with neutralizing gas", async () => {
     game.override.enemyAbility(Abilities.NEUTRALIZING_GAS);
     await game.classicMode.startBattle([Species.KOFFING]);
 
@@ -74,6 +74,20 @@ describe("Abilities - Illusion", () => {
     expect(!!zorua.summonData.illusion).equals(false);
   });
 
+  it("does not activate if neutralizing gas is active", async () => {
+    game.override
+      .enemyAbility(Abilities.NEUTRALIZING_GAS)
+      .ability(Abilities.ILLUSION)
+      .moveset(Moves.SPLASH)
+      .enemyMoveset(Moves.SPLASH);
+    await game.classicMode.startBattle([Species.MAGIKARP, Species.FEEBAS, Species.MAGIKARP]);
+
+    game.doSwitchPokemon(1);
+    await game.toNextTurn();
+
+    expect(game.scene.getPlayerPokemon()!.summonData.illusion).toBeFalsy();
+  });
+
   it("causes enemy AI to consider the illusion's type instead of the actual type when considering move effectiveness", async () => {
     game.override.enemyMoveset([Moves.FLAMETHROWER, Moves.PSYCHIC, Moves.TACKLE]);
     await game.classicMode.startBattle([Species.ZOROARK, Species.FEEBAS]);