diff --git a/src/battle_main.c b/src/battle_main.c
index 0f841a89b..d144590d5 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -3868,15 +3868,15 @@ void BattleTurnPassed(void)
         BattleScriptExecute(BattleScript_ArenaTurnBeginning);
     else if ((i = ShouldDoTrainerSlide(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), TRAINER_SLIDE_LAST_LOW_HP)))
         BattleScriptExecute(i == 1 ? BattleScript_TrainerASlideMsgEnd2 : BattleScript_TrainerBSlideMsgEnd2);
-    else if ((i = ShouldDoTrainerSlide(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), TRAINER_SLIDE_LAST_HALF_HP))
+    else if ((i = ShouldDoTrainerSlide(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), TRAINER_SLIDE_LAST_HALF_HP)))
         BattleScriptExecute(i == 1 ? BattleScript_TrainerASlideMsgEnd2 : BattleScript_TrainerBSlideMsgEnd2);
-    else if ((i = ShouldDoTrainerSlide(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), TRAINER_SLIDE_FIRST_CRITICAL_HIT))
+    else if ((i = ShouldDoTrainerSlide(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), TRAINER_SLIDE_FIRST_CRITICAL_HIT)))
         BattleScriptExecute(i == 1 ? BattleScript_TrainerASlideMsgEnd2 : BattleScript_TrainerBSlideMsgEnd2);
-    else if ((i = ShouldDoTrainerSlide(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), TRAINER_SLIDE_FIRST_SUPER_EFFECTIVE_HIT))
+    else if ((i = ShouldDoTrainerSlide(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), TRAINER_SLIDE_FIRST_SUPER_EFFECTIVE_HIT)))
         BattleScriptExecute(i == 1 ? BattleScript_TrainerASlideMsgEnd2 : BattleScript_TrainerBSlideMsgEnd2);
-    else if ((i = ShouldDoTrainerSlide(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), TRAINER_SLIDE_FIRST_STAB_MOVE))
+    else if ((i = ShouldDoTrainerSlide(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), TRAINER_SLIDE_FIRST_STAB_MOVE)))
         BattleScriptExecute(i == 1 ? BattleScript_TrainerASlideMsgEnd2 : BattleScript_TrainerBSlideMsgEnd2);
-    else if ((i = ShouldDoTrainerSlide(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), TRAINER_SLIDE_PLAYER_MON_UNAFFECTED))
+    else if ((i = ShouldDoTrainerSlide(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), TRAINER_SLIDE_PLAYER_MON_UNAFFECTED)))
         BattleScriptExecute(i == 1 ? BattleScript_TrainerASlideMsgEnd2 : BattleScript_TrainerBSlideMsgEnd2);
 }
 
diff --git a/src/battle_message.c b/src/battle_message.c
index a9536d5a1..f321da46c 100644
--- a/src/battle_message.c
+++ b/src/battle_message.c
@@ -3964,7 +3964,7 @@ u32 ShouldDoTrainerSlide(u32 battlerId, u32 which)
             case TRAINER_SLIDE_LAST_LOW_HP:
                 if (sTrainerSlides[i].msgLastLowHp != NULL
                     && GetEnemyMonCount(firstId, lastId, TRUE) == 1
-                    && IsBattlerHpLow(battlerId)
+                    && gBattleMons[battlerId].hp <= (gBattleMons[battlerId].maxHP / 4)
                     && !gBattleStruct->trainerSlideLowHpMsgDone)
                 {
                     gBattleStruct->trainerSlideLowHpMsgDone = TRUE;
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index e50aed242..21e1d4d9c 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -11170,11 +11170,11 @@ static void Cmd_various(void)
     case VARIOUS_TRY_TRAINER_SLIDE_MSG_Z_MOVE:
     {
         VARIOUS_ARGS();
-        if (ShouldDoTrainerSlide(gActiveBattler, gTrainerBattleOpponent_A, TRAINER_SLIDE_Z_MOVE))
+        if ((i = ShouldDoTrainerSlide(gActiveBattler, TRAINER_SLIDE_Z_MOVE)))
         {
             gBattleScripting.battler = gActiveBattler;
             BattleScriptPush(cmd->nextInstr);
-            gBattlescriptCurrInstr = BattleScript_TrainerSlideMsgRet;
+            gBattlescriptCurrInstr = (i == 1 ? BattleScript_TrainerASlideMsgRet : BattleScript_TrainerBSlideMsgRet);
             return;
         }
         break;
@@ -11182,11 +11182,11 @@ static void Cmd_various(void)
     case VARIOUS_TRY_TRAINER_SLIDE_MSG_MEGA_EVOLUTION:
     {
         VARIOUS_ARGS();
-        if (ShouldDoTrainerSlide(gActiveBattler, gTrainerBattleOpponent_A, TRAINER_SLIDE_MEGA_EVOLUTION))
+        if ((i = ShouldDoTrainerSlide(gActiveBattler, TRAINER_SLIDE_MEGA_EVOLUTION)))
         {
             gBattleScripting.battler = gActiveBattler;
             BattleScriptPush(cmd->nextInstr);
-            gBattlescriptCurrInstr = BattleScript_TrainerSlideMsgRet;
+            gBattlescriptCurrInstr = (i == 1 ? BattleScript_TrainerASlideMsgRet : BattleScript_TrainerBSlideMsgRet);
             return;
         }
         break;