diff --git a/SevenZip/ArchiveOpenCallback.cs b/SevenZip/ArchiveOpenCallback.cs
index 40d6ebf..c2d85f4 100644
--- a/SevenZip/ArchiveOpenCallback.cs
+++ b/SevenZip/ArchiveOpenCallback.cs
@@ -136,6 +136,7 @@ public int GetStream(string name, out IInStream inStream)
             _volumeFileNames.Add(name);
             if (_wrappers.ContainsKey(name))
             {
+                _wrappers[name].Seek(0, SeekOrigin.Begin, IntPtr.Zero);
                 inStream = _wrappers[name];
             }
             else