--- src/deflateoutputstreambuf.cpp.orig	Fri Aug 25 15:03:42 2000
+++ src/deflateoutputstreambuf.cpp	Sat Sep  7 10:46:20 2002
@@ -7,6 +7,7 @@
 
 #include "zipios++/fcollexceptions.h"
 #include "zipios++/deflateoutputstreambuf.h"
+#include "outputstringstream.h"
 
 namespace zipios {