1 files changed, 1 insertions, 1 deletions
diff --git a/7zip/Archive/Common/InStreamWithCRC.h b/7zip/Archive/Common/InStreamWithCRC.h
index 9628a6f2..ba7e8564 100755
--- a/7zip/Archive/Common/InStreamWithCRC.h
+++ b/7zip/Archive/Common/InStreamWithCRC.h
@@ -36,7 +36,7 @@ class CInStreamWithCRC:
   public CMyUnknownImp
 {
 public:
-  MY_UNKNOWN_IMP
+  MY_UNKNOWN_IMP1(IInStream)
 
   STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
   STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);