diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index c8a393da3d..b9e3920413 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -12097,6 +12097,7 @@ static void Cmd_handleballthrow(void)
         {
             BtlController_EmitBallThrowAnim(0, BALL_3_SHAKES_SUCCESS);
             MarkBattlerForControllerExec(gActiveBattler);
+            UndoFormChange(gBattlerPartyIndexes[gBattlerTarget], GET_BATTLER_SIDE(gBattlerTarget));
             gBattlescriptCurrInstr = BattleScript_SuccessBallThrow;
             SetMonData(&gEnemyParty[gBattlerPartyIndexes[gBattlerTarget]], MON_DATA_POKEBALL, &gLastUsedItem);
 
@@ -12141,6 +12142,7 @@ static void Cmd_handleballthrow(void)
                 if (IsCriticalCapture())
                     gBattleSpritesDataPtr->animationData->criticalCaptureSuccess = 1;
 
+                UndoFormChange(gBattlerPartyIndexes[gBattlerTarget], GET_BATTLER_SIDE(gBattlerTarget));
                 gBattlescriptCurrInstr = BattleScript_SuccessBallThrow;
                 SetMonData(&gEnemyParty[gBattlerPartyIndexes[gBattlerTarget]], MON_DATA_POKEBALL, &gLastUsedItem);
                 if (CalculatePlayerPartyCount() == PARTY_SIZE)