diff --git a/packages/apps-engine/src/definition/livechat/ILivechatContact.ts b/packages/apps-engine/src/definition/livechat/ILivechatContact.ts
index 35844fd5775..046bb8a54ac 100644
--- a/packages/apps-engine/src/definition/livechat/ILivechatContact.ts
+++ b/packages/apps-engine/src/definition/livechat/ILivechatContact.ts
@@ -12,8 +12,8 @@ export interface ILivechatContactChannel {
     verifiedAt?: Date;
     details?: OmnichannelSource;
     lastChat?: {
-	_id: string;
-	ts: Date;
+        _id: string;
+        ts: Date;
     };
 }