diff --git a/src/models/punishments.ts b/src/models/punishments.ts
index e8b9307..6f639c3 100644
--- a/src/models/punishments.ts
+++ b/src/models/punishments.ts
@@ -114,7 +114,7 @@ export class PunishmentsSvc {
     return Math.max(...result.map((x:Punishment)=>x.case_id), 0) + 1;
   }
   async caseEvasionCheck(member:Discord.GuildMember) {
-    if (await this.model.findOne({where: {member: member.id, type: 'mute', expired: undefined}})) {
+    if (await this.model.findOne({where: {member: member.id, type: 'mute', expired: null}})) {
       (this.client.channels.cache.get(this.client.config.dcServer.channels.dcmod_chat) as Discord.TextChannel).send({embeds: [new this.client.embed().setColor(this.client.config.embedColorYellow).setTitle('Case evasion detected').setDescription(MessageTool.concatMessage(
         `**${member.user.username}** (\`${member.user.id}\`) has been detected for case evasion.`,
         'Timeout has been automatically added. (25 days)'