diff --git a/configure b/configure
index a05cfd27283..60ec87f5917 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 1.453 .
+# From configure.in Revision: 1.454 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.57 for python 2.4.
 #
@@ -1442,7 +1442,7 @@ case $ac_sys_system/$ac_sys_release in
     define_xopen_source=no;;
   # On UnixWare 7, u_long is never defined with _XOPEN_SOURCE,
   # but used in /usr/include/netinet/tcp.h. Reported by Tim Rice.
-  OpenUNIX/8.0.0| UnixWare/7.1.[0-3])
+  OpenUNIX/8.0.0| UnixWare/7.1.[0-4])
     define_xopen_source=no;;
   # On OpenServer 5, u_short is never defined with _XOPEN_SOURCE,
   # but used in struct sockaddr.sa_family. Reported by Tim Rice.
diff --git a/configure.in b/configure.in
index 70f11091f3a..609845449b2 100644
--- a/configure.in
+++ b/configure.in
@@ -144,7 +144,8 @@ case $ac_sys_system/$ac_sys_release in
     define_xopen_source=no;;
   # On UnixWare 7, u_long is never defined with _XOPEN_SOURCE,
   # but used in /usr/include/netinet/tcp.h. Reported by Tim Rice.
-  OpenUNIX/8.0.0| UnixWare/7.1.@<:@0-3@:>@)
+  # Reconfirmed for 7.1.4 by Martin v. Loewis.
+  OpenUNIX/8.0.0| UnixWare/7.1.@<:@0-4@:>@)
     define_xopen_source=no;;
   # On OpenServer 5, u_short is never defined with _XOPEN_SOURCE,
   # but used in struct sockaddr.sa_family. Reported by Tim Rice.