diff --git a/src/modules/system/configure.in b/src/modules/system/configure.in
index 59532e0ab946c2569c303b4d1259bca59f44a9a9..9db3fe9f04e46838b683bc24fa7b2c67ab3fcbfa 100644
--- a/src/modules/system/configure.in
+++ b/src/modules/system/configure.in
@@ -1,4 +1,4 @@
-# $Id: configure.in,v 1.21 1998/04/07 00:20:28 hubbe Exp $
+# $Id: configure.in,v 1.22 1998/05/17 19:28:45 grubba Exp $
 AC_INIT(system.c)
 AC_CONFIG_HEADER(system_machine.h)
 
@@ -11,7 +11,7 @@ AC_CHECK_LIB(nsl, gethostbyname)
 AC_HAVE_HEADERS(syslog.h sys/syslog.h sys/types.h errno.h unistd.h pwd.h \
 	sys/conf.h sys/socket.h netinet/in.h arpa/inet.h netdb.h stdarg.h \
 	sys/utsname.h pwd.h passwd.h shadow.h grp.h sys/stat.h winsock.h \
-        windows.h )
+        windows.h sys/param.h)
 
 AC_HAVE_FUNCS(syslog link symlink readlink chown \
 	initgroups setgroups getgroups seteuid setresuid setegid setresgid \