diff --git a/lib/mp4.cpp b/lib/mp4.cpp
index ee0aa703..85ded767 100644
--- a/lib/mp4.cpp
+++ b/lib/mp4.cpp
@@ -187,7 +187,7 @@ void ABST::SetVersion( bool NewVersion) {
 }
 
 void ABST::SetReserved( ) {
-  Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(0));
+  SetPayload((uint32_t)4,Box::uint32_to_uint8(0));
 }
 
 void ABST::WriteContent( ) {
@@ -393,7 +393,7 @@ std::string GenerateLiveBootstrap( uint32_t CurMediaTime ) {
   abst.AddServerEntry("");
   abst.AddQualityEntry("");
   abst.WriteContent();
-
+  
   std::string Result;
   Result.append((char*)abst.GetBoxedData(), (int)abst.GetBoxedDataSize());
   return Result;
diff --git a/lib/mp4.h b/lib/mp4.h
index b4ec5417..0ef24659 100644
--- a/lib/mp4.h
+++ b/lib/mp4.h
@@ -75,7 +75,6 @@ namespace MP4{
       std::vector<abst_qualityentry> Qualities;
       std::vector<Box *> SegmentRunTables;
       std::vector<Box *> FragmentRunTables;
-      Box * Container;
   };//ABST Box
 
   struct afrt_fragmentrunentry {