diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 93e1b31e26..3874febf36 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -9833,8 +9833,9 @@ static u32 ChangeStatBuffs(s8 statValue, u32 statId, u32 flags, const u8 *BS_ptr
             return STAT_CHANGE_DIDNT_WORK;
         }
         else if (!certain
-          && ((GetBattlerAbility(gActiveBattler) == ABILITY_KEEN_EYE && statId == STAT_ACC)
-           || (GetBattlerAbility(gActiveBattler) == ABILITY_HYPER_CUTTER && statId == STAT_ATK)))
+                && ((GetBattlerAbility(gActiveBattler) == ABILITY_KEEN_EYE && statId == STAT_ACC)
+                || (GetBattlerAbility(gActiveBattler) == ABILITY_HYPER_CUTTER && statId == STAT_ATK)
+                || (GetBattlerAbility(gActiveBattler) == ABILITY_BIG_PECKS && statId == STAT_DEF)))
         {
             if (flags == STAT_BUFF_ALLOW_PTR)
             {