1 files changed, 2 insertions, 0 deletions
diff --git a/CPP/7zip/Archive/7z/7zIn.h b/CPP/7zip/Archive/7z/7zIn.h
index ad8ceba5..3592e99b 100644
--- a/CPP/7zip/Archive/7z/7zIn.h
+++ b/CPP/7zip/Archive/7z/7zIn.h
@@ -87,6 +87,8 @@ struct CFolders
     return PackPositions[index + 1] - PackPositions[index];
   }
 
+  CFolders(): NumPackStreams(0), NumFolders(0) {}
+
   void Clear()
   {
     NumPackStreams = 0;