diff --git a/configure.in b/configure.in
index e30ae6c9c9..f8a7ea99e4 100644
--- a/configure.in
+++ b/configure.in
@@ -2156,7 +2156,9 @@ AC_CHECK_TYPES([clockid_t], [], [], [@%:@ifdef HAVE_TIME_H
 @%:@endif])
 
 AC_CACHE_VAL([rb_cv_large_fd_select],
-    [AC_CHECK_TYPE(fd_mask, [rb_cv_large_fd_select=yes], [rb_cv_large_fd_select=no])])
+    [AC_CHECK_TYPE(fd_mask, [rb_cv_large_fd_select=yes], [rb_cv_large_fd_select=no], [@%:@ifdef HAVE_SYS_SELECT_H
+@%:@ include <sys/select.h>
+@%:@endif])])
 AS_IF([test "$rb_cv_large_fd_select" = yes], [
     AC_DEFINE(HAVE_RB_FD_INIT, 1)
 ])