diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index 5b12dc88b86..64e3a55cad2 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -442,7 +442,7 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
       this.battleData.illusion = {
         active: true,
         available: true,
-        basePokemon: this,
+        basePokemon: { ...this },
         species: getPokemonSpecies(speciesId),
         formIndex: lastPokemon.formIndex,
         gender: lastPokemon.gender,
@@ -473,7 +473,7 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
       this.battleData.illusion = {
         active: true,
         available: true,
-        basePokemon: this,
+        basePokemon: { ...this },
         species: randomIllusion,
         formIndex: randomIllusion.formIndex,
         gender: this.gender
diff --git a/src/test/abilities/illusion.test.ts b/src/test/abilities/illusion.test.ts
index 153fa811047..dd7c74462f9 100644
--- a/src/test/abilities/illusion.test.ts
+++ b/src/test/abilities/illusion.test.ts
@@ -57,6 +57,7 @@ describe("Abilities - Illusion", () => {
     const zorua = game.scene.getEnemyPokemon()!;
 
     expect(zorua.battleData.illusion.active).equals(false);
+    expect(zorua.name).equals("Zorua")
   });
 
   it("break after getting ability changed", async () => {
@@ -126,7 +127,6 @@ describe("Abilities - Illusion", () => {
     await game.phaseInterceptor.to(TurnEndPhase);
 
     const zoroark = game.scene.getPlayerPokemon()!;
-    //console.log(zoroark.battleData.illusion);
     expect(zoroark.name).equals("Axew");
     expect(zoroark.getNameToRender()).equals("axew nickname");
     expect(zoroark.getGender(false, true)).equals(Gender.FEMALE);
diff --git a/src/ui/party-ui-handler.ts b/src/ui/party-ui-handler.ts
index 115b14f0591..cb4e5e2c2f8 100644
--- a/src/ui/party-ui-handler.ts
+++ b/src/ui/party-ui-handler.ts
@@ -1299,7 +1299,7 @@ class PartySlot extends Phaser.GameObjects.Container {
         const fusionShinyStar = globalScene.add.image(0, 0, "shiny_star_small_2");
         fusionShinyStar.setOrigin(0, 0);
         fusionShinyStar.setPosition(shinyStar.x, shinyStar.y);
-        fusionShinyStar.setTint(getVariantTint(this.pokemon.battleData.illusion.fusionVariant ?? this.pokemon.fusionVariant));
+        fusionShinyStar.setTint(getVariantTint(this.pokemon.battleData.illusion.basePokemon?.fusionVariant ?? this.pokemon.fusionVariant));
 
         slotInfoContainer.add(fusionShinyStar);
       }
diff --git a/src/ui/summary-ui-handler.ts b/src/ui/summary-ui-handler.ts
index 863e3bf0386..c949dcf3fed 100644
--- a/src/ui/summary-ui-handler.ts
+++ b/src/ui/summary-ui-handler.ts
@@ -333,8 +333,8 @@ export default class SummaryUiHandler extends UiHandler {
     this.pokemonSprite.setPipelineData("teraColor", getTypeRgb(this.pokemon.getTeraType()));
     this.pokemonSprite.setPipelineData("ignoreTimeTint", true);
     this.pokemonSprite.setPipelineData("spriteKey", this.pokemon.getSpriteKey());
-    this.pokemonSprite.setPipelineData("shiny", this.pokemon.battleData.illusion.shiny ?? this.pokemon.shiny);
-    this.pokemonSprite.setPipelineData("variant", this.pokemon.battleData.illusion.variant ?? this.pokemon.variant);
+    this.pokemonSprite.setPipelineData("shiny", this.pokemon.battleData.illusion.basePokemon?.shiny ?? this.pokemon.shiny);
+    this.pokemonSprite.setPipelineData("variant", this.pokemon.battleData.illusion.basePokemon?.variant ?? this.pokemon.variant);
     [ "spriteColors", "fusionSpriteColors" ].map(k => {
       delete this.pokemonSprite.pipelineData[`${k}Base`];
       if (this.pokemon?.summonData?.speciesForm) {
@@ -405,7 +405,7 @@ export default class SummaryUiHandler extends UiHandler {
     this.fusionShinyIcon.setPosition(this.shinyIcon.x, this.shinyIcon.y);
     this.fusionShinyIcon.setVisible(doubleShiny);
     if (isFusion) {
-      this.fusionShinyIcon.setTint(getVariantTint(this.pokemon.battleData.illusion.fusionVariant ?? this.pokemon.fusionVariant));
+      this.fusionShinyIcon.setTint(getVariantTint(this.pokemon.battleData.illusion.basePokemon?.fusionVariant ?? this.pokemon.fusionVariant));
     }
 
     this.pokeball.setFrame(getPokeballAtlasKey(this.pokemon.pokeball));