diff --git a/backend/src/graphql/resolver/UserResolver.ts b/backend/src/graphql/resolver/UserResolver.ts
index b10876d46..e5728d1d8 100644
--- a/backend/src/graphql/resolver/UserResolver.ts
+++ b/backend/src/graphql/resolver/UserResolver.ts
@@ -537,7 +537,7 @@ export class UserResolver {
     await queryRunner.startTransaction('READ UNCOMMITTED')
 
     try {
-      if (coinanimation !== undefined) {
+      if (coinanimation !== null && coinanimation !== undefined) {
         queryRunner.manager
           .getCustomRepository(UserSettingRepository)
           .setOrUpdate(userEntity.id, Setting.COIN_ANIMATION, coinanimation.toString())