diff --git a/src/battle-scene.ts b/src/battle-scene.ts
index 850d0baab5d..6110551b6b4 100644
--- a/src/battle-scene.ts
+++ b/src/battle-scene.ts
@@ -789,7 +789,7 @@ export default class BattleScene extends SceneBase {
   }
 
   getEnemyParty(): EnemyPokemon[] {
-    return this.currentBattle?.enemyParty || [];
+    return this.currentBattle?.enemyParty ?? [];
   }
 
   getEnemyPokemon(): EnemyPokemon | undefined {
diff --git a/src/test/mystery-encounter/encounters/the-expert-breeder-encounter.test.ts b/src/test/mystery-encounter/encounters/the-expert-breeder-encounter.test.ts
index 7f83c4721c0..a3a43815ec6 100644
--- a/src/test/mystery-encounter/encounters/the-expert-breeder-encounter.test.ts
+++ b/src/test/mystery-encounter/encounters/the-expert-breeder-encounter.test.ts
@@ -140,7 +140,7 @@ describe("The Expert Pokémon Breeder - Mystery Encounter", () => {
           }));
         }
 
-        return scene.currentBattle?.enemyParty || [];
+        return scene.currentBattle?.enemyParty ?? [];
       });
 
       await runMysteryEncounterToEnd(game, 1, undefined, true);
@@ -219,7 +219,7 @@ describe("The Expert Pokémon Breeder - Mystery Encounter", () => {
           }));
         }
 
-        return scene.currentBattle?.enemyParty || [];
+        return scene.currentBattle?.enemyParty ?? [];
       });
 
       await runMysteryEncounterToEnd(game, 2, undefined, true);
@@ -298,7 +298,7 @@ describe("The Expert Pokémon Breeder - Mystery Encounter", () => {
           }));
         }
 
-        return scene.currentBattle?.enemyParty || [];
+        return scene.currentBattle?.enemyParty ?? [];
       });
 
       await runMysteryEncounterToEnd(game, 3, undefined, true);