diff --git a/include/battle_ai_switch_items.h b/include/battle_ai_switch_items.h
index 77d1e63151..58b65396a6 100644
--- a/include/battle_ai_switch_items.h
+++ b/include/battle_ai_switch_items.h
@@ -33,7 +33,7 @@ enum {
 
 void GetAIPartyIndexes(u32 battlerId, s32 *firstId, s32 *lastId);
 void AI_TrySwitchOrUseItem(void);
-u8 GetMostSuitableMonToSwitchInto(bool8);
+u8 GetMostSuitableMonToSwitchInto(bool8 checkSurvivability);
 bool32 ShouldSwitch(void);
 
 #endif // GUARD_BATTLE_AI_SWITCH_ITEMS_H