diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index 0f2a5fa47ae..ac84117c2d4 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -3385,7 +3385,7 @@ export class EnemyPokemon extends Pokemon {
 
     this.trainerSlot = trainerSlot;
     if (boss) {
-      this.setBoss();
+      this.setBoss(boss, dataSource?.bossSegments);
     }
 
     if (Overrides.OPP_STATUS_OVERRIDE) {
diff --git a/src/system/pokemon-data.ts b/src/system/pokemon-data.ts
index e30cfd7e24e..57f4c0aea93 100644
--- a/src/system/pokemon-data.ts
+++ b/src/system/pokemon-data.ts
@@ -50,6 +50,7 @@ export default class PokemonData {
   public fusionLuck: integer;
 
   public boss: boolean;
+  public bossSegments?: integer;
 
   public summonData: PokemonSummonData;
 
@@ -96,6 +97,7 @@ export default class PokemonData {
 
     if (!forHistory) {
       this.boss = (source instanceof EnemyPokemon && !!source.bossSegments) || (!this.player && !!source.boss);
+      this.bossSegments = source.bossSegments;
     }
 
     if (sourcePokemon) {