diff --git a/configure.in b/configure.in
index 103e587f..f00e19c8 100644
--- a/configure.in
+++ b/configure.in
@@ -18,6 +18,7 @@ AC_PROG_LIBTOOL
 
 AC_CHECK_HEADERS([sys/wait.h])
 AC_CHECK_HEADERS([sys/param.h])
+AC_CHECK_HEADERS([sys/select.h])
 AC_CHECK_HEADERS([dirent.h])
 AC_CHECK_FUNCS(strptime)
 AC_CHECK_FUNCS(strtok_r)