diff --git a/apps/meteor/client/lib/lists/RecordList.ts b/apps/meteor/client/lib/lists/RecordList.ts
index a59156b531e2..d4f802f3267b 100644
--- a/apps/meteor/client/lib/lists/RecordList.ts
+++ b/apps/meteor/client/lib/lists/RecordList.ts
@@ -23,7 +23,9 @@ export class RecordList<T extends { _id: string; _updatedAt?: Date }> extends Em
 	}
 
 	protected compare(a: T, b: T): number {
-		return (b._updatedAt?.getTime() ?? -1) - (a._updatedAt?.getTime() ?? -1);
+		const aUpdatedAt = typeof a._updatedAt === 'string' ? new Date(a._updatedAt) : a._updatedAt;
+		const bUpdatedAt = typeof b._updatedAt === 'string' ? new Date(b._updatedAt) : b._updatedAt;
+		return (bUpdatedAt?.getTime() ?? -1) - (aUpdatedAt?.getTime() ?? -1);
 	}
 
 	public get phase(): AsyncStatePhase {