diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 756ce54f9..0f82c00da 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2004-08-19  Corinna Vinschen  <corinna@vinschen.de>
+
+	* fhandler.cc (fhandler_base::open): Set shared flags to 0 when
+	opening a tape device.
+
 2004-08-19  Corinna Vinschen  <corinna@vinschen.de>
 
 	* fhandler_socket.cc (fhandler_socket::dup): Increment dtable's
diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc
index 5c5095f59..97b01eb64 100644
--- a/winsup/cygwin/fhandler.cc
+++ b/winsup/cygwin/fhandler.cc
@@ -543,7 +543,7 @@ fhandler_base::open (int flags, mode_t mode)
   int res = 0;
   HANDLE x;
   ULONG file_attributes = 0;
-  ULONG shared = wincap.shared ();
+  ULONG shared = (get_major () == DEV_TAPE_MAJOR ? 0 : wincap.shared ());
   ULONG create_disposition;
   ULONG create_options;
   SECURITY_ATTRIBUTES sa = sec_none;