diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 17f76f1a12..cafb676886 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -2895,16 +2895,16 @@ static void Cmd_seteffectwithchance(void)
         && !(gMoveResultFlags & MOVE_RESULT_NO_EFFECT))
     {
         gBattleCommunication[MOVE_EFFECT_BYTE] &= ~(MOVE_EFFECT_CERTAIN);
-        SetMoveEffect(0, MOVE_EFFECT_CERTAIN);
+        SetMoveEffect(FALSE, MOVE_EFFECT_CERTAIN);
     }
     else if (Random() % 100 < percentChance
              && gBattleCommunication[MOVE_EFFECT_BYTE]
              && !(gMoveResultFlags & MOVE_RESULT_NO_EFFECT))
     {
         if (percentChance >= 100)
-            SetMoveEffect(0, MOVE_EFFECT_CERTAIN);
+            SetMoveEffect(FALSE, MOVE_EFFECT_CERTAIN);
         else
-            SetMoveEffect(0, 0);
+            SetMoveEffect(FALSE, 0);
     }
     else
     {
diff --git a/src/battle_util.c b/src/battle_util.c
index 4352a02c25..da3d506487 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -1009,7 +1009,7 @@ u8 DoBattlerEndTurnEffects(void)
                         if (!(gBattleMons[gActiveBattler].status2 & STATUS2_CONFUSION))
                         {
                             gBattleCommunication[MOVE_EFFECT_BYTE] = MOVE_EFFECT_CONFUSION | MOVE_EFFECT_AFFECTS_USER;
-                            SetMoveEffect(1, 0);
+                            SetMoveEffect(TRUE, 0);
                             if (gBattleMons[gActiveBattler].status2 & STATUS2_CONFUSION)
                                 BattleScriptExecute(BattleScript_ThrashConfuses);
                             effect++;
@@ -3207,7 +3207,7 @@ u8 ItemBattleEffects(u8 caseID, u8 battlerId, bool8 moveTurn)
                 {
                     gBattleCommunication[MOVE_EFFECT_BYTE] = MOVE_EFFECT_FLINCH;
                     BattleScriptPushCursor();
-                    SetMoveEffect(0, 0);
+                    SetMoveEffect(FALSE, 0);
                     BattleScriptPop();
                 }
                 break;