1 files changed, 2 insertions, 1 deletions

diff --git a/configure.ac b/configure.ac
index a8b142ea..0bf11e99 100644
--- a/configure.ac
+++ b/configure.ac
@@ -173,7 +173,8 @@ AM_CONDITIONAL([HAVE_LIBGPGME], [test "x$with_gpgme" = "xyes"])
 
 # Checks for header files.
 AC_CHECK_HEADERS([fcntl.h float.h glob.h libintl.h limits.h locale.h \
-                  mntent.h stddef.h string.h sys/ioctl.h \
+                  mntent.h netinet/in.h netinet/tcp.h \
+                  stddef.h string.h sys/ioctl.h \
                   sys/mnttab.h sys/mount.h \
                   sys/param.h sys/statvfs.h sys/time.h sys/types.h \
                   sys/ucred.h syslog.h termios.h wchar.h])