diff --git a/ts/models/conversation.ts b/ts/models/conversation.ts
index 12d06fa81..aca108231 100644
--- a/ts/models/conversation.ts
+++ b/ts/models/conversation.ts
@@ -333,9 +333,7 @@ export class ConversationModel extends Backbone.Model<ConversationAttributes> {
     }
 
     if (this.getLastDisappearingMessageChangeTimestamp()) {
-      toRet.lastDisappearingMessageChangeTimestamp = this.get(
-        'lastDisappearingMessageChangeTimestamp'
-      );
+      toRet.lastDisappearingMessageChangeTimestamp = this.getLastDisappearingMessageChangeTimestamp();
     }
 
     if (this.getHasOutdatedClient()) {