diff --git a/database/migrations/2024_11_30_075826_multi_piggy.php b/database/migrations/2024_11_30_075826_multi_piggy.php
index bcd6cee9bc..09faaebcea 100644
--- a/database/migrations/2024_11_30_075826_multi_piggy.php
+++ b/database/migrations/2024_11_30_075826_multi_piggy.php
@@ -15,7 +15,11 @@ return new class () extends Migration {
         // make account_id nullable and the relation also nullable.
         Schema::table('piggy_banks', static function (Blueprint $table): void {
             // 1. drop index
-            $table->dropForeign('piggy_banks_account_id_foreign');
+            try {
+                $table->dropForeign('piggy_banks_account_id_foreign');
+            } catch(RuntimeException $e) {
+                // do nothing.
+            }
         });
         Schema::table('piggy_banks', static function (Blueprint $table): void {
             // 2. make column nullable.