diff --git a/src/battle_util.c b/src/battle_util.c
index 037b7875b3..612652a81a 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -4891,6 +4891,7 @@ u8 ItemBattleEffects(u8 caseID, u8 battlerId, bool8 moveTurn)
             case HOLD_EFFECT_ROCKY_HELMET:
                 if (TARGET_TURN_DAMAGED
                     && IsMoveMakingContact(gCurrentMove, gBattlerAttacker)
+                    && IsBattlerAlive(gBattlerAttacker)
                     && GetBattlerAbility(gBattlerAttacker) != ABILITY_MAGIC_GUARD)
                 {
                     gBattleMoveDamage = gBattleMons[gBattlerAttacker].maxHP / 6;