diff -Nur libnss-pgsql-1.4.0.orig/src/backend.c libnss-pgsql-1.4.0/src/backend.c
--- libnss-pgsql-1.4.0.orig/src/backend.c	2001-10-18 13:32:52.000000000 +0200
+++ libnss-pgsql-1.4.0/src/backend.c	2003-11-28 16:14:38.000000000 +0100
@@ -9,7 +9,7 @@
  */
 
 #include "nss-pgsql.h"
-#include <postgresql/libpq-fe.h>
+#include <libpq-fe.h>
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>