diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
index a7a8c1aa2..c843fb96b 100644
--- a/data/battle_scripts_1.s
+++ b/data/battle_scripts_1.s
@@ -3700,7 +3700,8 @@ BattleScript_EffectPerishSong::
 	setbyte gBattlerTarget, 0
 BattleScript_PerishSongLoop::
 	jumpifability BS_TARGET, ABILITY_SOUNDPROOF, BattleScript_PerishSongBlocked
-	jumpifbyteequal gBattlerAttacker, gBattlerTarget, BattleScript_PerishSongLoopIncrement	@ cannot block your own perish song
+	jumpifbyteequal gBattlerAttacker, gBattlerTarget, BattleScript_PerishSongLoopIncrement	@ Cannot block your own perish song
+	jumpiftargetally BattleScript_PerishSongLoopIncrement									@ Cannot block ally perish song
 	jumpifability BS_ATTACKER, ABILITY_PRANKSTER, BattleScript_PerishSongCheckPrankster
 	goto BattleScript_PerishSongLoopIncrement
 BattleScript_PerishSongCheckPrankster:
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 4413eeec6..5dce3cda2 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -10731,7 +10731,7 @@ static void Cmd_trysetperishsong(void)
         if (gStatuses3[i] & STATUS3_PERISH_SONG
             || gBattleMons[i].ability == ABILITY_SOUNDPROOF
             || (B_PRANKSTER_DARK_TYPES >= GEN_7
-                && i != gBattlerAttacker
+                && GetBattlerSide(i) != GetBattlerSide(gBattlerAttacker)
                 && GetBattlerAbility(gBattlerAttacker) == ABILITY_PRANKSTER
                 && IS_BATTLER_OF_TYPE(i, TYPE_DARK))
         )