diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index feff90aa4..88157273a 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -10899,7 +10899,7 @@ static void Cmd_trysetperishsong(void)
     for (i = 0; i < gBattlersCount; i++)
     {
         if (gStatuses3[i] & STATUS3_PERISH_SONG
-            || gBattleMons[i].ability == ABILITY_SOUNDPROOF
+            || GetBattlerAbility(i) == ABILITY_SOUNDPROOF
             || BlocksPrankster(gCurrentMove, gBattlerAttacker, i))
         {
             notAffectedCount++;