diff --git a/prisma/migrations/20250804201438_fix_wallets_updated_at_trigger_on_delete/migration.sql b/prisma/migrations/20250804201438_fix_wallets_updated_at_trigger_on_delete/migration.sql
new file mode 100644
index 00000000..bde679e0
--- /dev/null
+++ b/prisma/migrations/20250804201438_fix_wallets_updated_at_trigger_on_delete/migration.sql
@@ -0,0 +1,23 @@
+-- fix trigger when wallet is deleted
+CREATE OR REPLACE FUNCTION wallet_updated_at_trigger() RETURNS TRIGGER AS $$
+DECLARE
+    user_id INT;
+BEGIN
+    IF TG_TABLE_NAME = 'WalletProtocol' THEN
+        SELECT w."userId" INTO user_id
+        FROM "Wallet" w
+        WHERE w.id = CASE
+            WHEN TG_OP = 'DELETE' THEN OLD."walletId"
+            ELSE NEW."walletId"
+        END;
+    ELSE
+        user_id := CASE WHEN TG_OP = 'DELETE' THEN OLD."userId" ELSE NEW."userId" END;
+    END IF;
+
+    UPDATE "users" u
+    SET "walletsUpdatedAt" = NOW()
+    WHERE u.id = user_id;
+
+    RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;