diff --git a/src/interfaces/libpq++/pgconnection.cc b/src/interfaces/libpq++/pgconnection.cc
index 9cbdd896171f4fb659cc48922ff540b2e2b67c83..73b198adf32b6376eb0852ec97b1e79e48ea2593 100644
--- a/src/interfaces/libpq++/pgconnection.cc
+++ b/src/interfaces/libpq++/pgconnection.cc
@@ -10,14 +10,14 @@
  * Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/interfaces/libpq++/Attic/pgconnection.cc,v 1.3 1999/05/10 15:27:18 momjian Exp $
+ *    $Header: /cvsroot/pgsql/src/interfaces/libpq++/Attic/pgconnection.cc,v 1.4 1999/05/16 14:34:59 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
 
 #include <stdlib.h>
 #include <string.h>
-#include <strstream>
+#include <strstream.h>
 #include "pgconnection.h"
 
 extern "C" {
diff --git a/src/interfaces/libpq++/pgenv.h b/src/interfaces/libpq++/pgenv.h
index e3e8d6303b696e0b1b4b508ead22c3e95509db2c..ae024dc3bd5c1428e36b10cac063c9939e88c04c 100644
--- a/src/interfaces/libpq++/pgenv.h
+++ b/src/interfaces/libpq++/pgenv.h
@@ -19,7 +19,7 @@
 #define PGENV_H
 
 #include <string>
-#include <iostream>
+#include <iostream.h>
 
 #ifdef __sun__
 #ifndef __GNUC__