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-rw-r--r--libio/oldstdfiles.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libio/oldstdfiles.c b/libio/oldstdfiles.c
index bb1705b7b2..95c041a632 100644
--- a/libio/oldstdfiles.c
+++ b/libio/oldstdfiles.c
@@ -83,6 +83,11 @@ _IO_check_libio (void)
 	= stderr->_vtable_offset =
 	((int) sizeof (struct _IO_FILE)
 	 - (int) sizeof (struct _IO_FILE_complete));
+
+      if (_IO_stdin_.vtable != &_IO_old_file_jumps
+	  || _IO_stdout_.vtable != &_IO_old_file_jumps
+	  || _IO_stderr_.vtable != &_IO_old_file_jumps)
+	IO_set_accept_foreign_vtables (&_IO_vtable_check);
     }
 }