1 files changed, 4 insertions, 4 deletions
diff --git a/CPP/7zip/Archive/Zip/ZipOut.cpp b/CPP/7zip/Archive/Zip/ZipOut.cpp
index 0807369c..aa82143e 100755
--- a/CPP/7zip/Archive/Zip/ZipOut.cpp
+++ b/CPP/7zip/Archive/Zip/ZipOut.cpp
@@ -221,7 +221,7 @@ void COutArchive::WriteCentralHeader(const CItem &item)
     WriteBytes(item.Comment, (UInt32)item.Comment.GetCapacity());
 }
 
-void COutArchive::WriteCentralDir(const CObjectVector<CItem> &items, const CByteBuffer &comment)
+void COutArchive::WriteCentralDir(const CObjectVector<CItem> &items, const CByteBuffer *comment)
 {
   SeekTo(m_BasePosition);
   
@@ -260,10 +260,10 @@ void COutArchive::WriteCentralDir(const CObjectVector<CItem> &items, const CByte
   WriteUInt16((UInt16)(items64 ? 0xFFFF: items.Size()));
   WriteUInt32(cdSize64 ? 0xFFFFFFFF: (UInt32)cdSize);
   WriteUInt32(cdOffset64 ? 0xFFFFFFFF: (UInt32)cdOffset);
-  UInt16 commentSize = (UInt16)comment.GetCapacity();
-  WriteUInt16(commentSize);
+  UInt32 commentSize = (UInt32)(comment ? comment->GetCapacity() : 0);
+  WriteUInt16((UInt16)commentSize);
   if (commentSize > 0)
-    WriteBytes((const Byte *)comment, commentSize);
+    WriteBytes((const Byte *)*comment, commentSize);
   m_OutBuffer.FlushWithCheck();
 }