diff --git a/src/modules/files/configure.in b/src/modules/files/configure.in
index e585d7ca4e6f476da7e6978217c5bd3f217d57d8..d28f3aa1a177a20f0ef88ef920d9a1654fb75c80 100644
--- a/src/modules/files/configure.in
+++ b/src/modules/files/configure.in
@@ -1,4 +1,4 @@
-# $Id: configure.in,v 1.43 1998/03/28 13:59:09 grubba Exp $
+# $Id: configure.in,v 1.44 1998/05/01 15:41:34 grubba Exp $
 AC_INIT(file.c)
 AC_CONFIG_HEADER(file_machine.h)
 
@@ -7,7 +7,7 @@ sinclude(../module_configure.in)
 AC_HAVE_HEADERS(sys/types.h arpa/inet.h sys/socketvar.h netinet/in.h \
  sys/mount.h ustat.h sys/statfs.h sys/statvfs.h sys/vfs.h sys/param.h \
  sys/socket.h sys/stream.h sys/protosw.h netdb.h sys/sysproto.h winsock.h \
- direct.h sys/wait.h process.h)
+ direct.h sys/wait.h process.h sys/file.h)
 AC_HEADER_DIRENT
 AC_CHECK_LIB(bind, __inet_ntoa)
 AC_CHECK_LIB(socket, socket)