diff --git a/ASN1Decoder/ASN1Decoder.swift b/ASN1Decoder/ASN1Decoder.swift
index 8bc68ee..a06e738 100644
--- a/ASN1Decoder/ASN1Decoder.swift
+++ b/ASN1Decoder/ASN1Decoder.swift
@@ -199,6 +199,7 @@ enum ASN1Error: Error {
 }
 
 extension Data {
+
     public var uint64Value: UInt64? {
         guard count <= 8, !isEmpty else { // check if suitable for UInt64
             return nil
diff --git a/ASN1Decoder/ASN1Object.swift b/ASN1Decoder/ASN1Object.swift
index 4511562..43e0f3b 100644
--- a/ASN1Decoder/ASN1Object.swift
+++ b/ASN1Decoder/ASN1Object.swift
@@ -33,7 +33,7 @@ public class ASN1Object: CustomStringConvertible {
 
     public var identifier: ASN1Identifier?
 
-    var sub: [ASN1Object]?
+    public internal(set) var sub: [ASN1Object]?
 
     public internal(set) weak var parent: ASN1Object?