diff --git a/src/battle-phases.ts b/src/battle-phases.ts
index 967a4800a4d..3df1a113e6b 100644
--- a/src/battle-phases.ts
+++ b/src/battle-phases.ts
@@ -668,6 +668,8 @@ export class ReturnPhase extends SwitchSummonPhase {
   }
 
   summon(): void { }
+
+  queuePostSummon() { }
 }
 
 export class ToggleDoublePositionPhase extends BattlePhase {