diff --git a/ChangeLog b/ChangeLog
index 8ad0182a19..886aa07402 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun May 18 11:09:28 2014  Tanaka Akira  <akr@fsij.org>
+
+	* win32/Makefile.sub: Add nextafter.obj to MISSING.
+
 Sun May 18 10:46:04 2014  Tanaka Akira  <akr@fsij.org>
 
 	* ext/etc/etc.c: Etc.sysconf, Etc.confstr and IO#pathconf implemented.
diff --git a/win32/Makefile.sub b/win32/Makefile.sub
index 5a8479affb..0aaece7d4f 100644
--- a/win32/Makefile.sub
+++ b/win32/Makefile.sub
@@ -235,7 +235,7 @@ LIBS = $(LIBS) iphlpapi.lib
 LIBS = $(LIBS) imagehlp.lib shlwapi.lib $(EXTLIBS)
 !endif
 !if !defined(MISSING)
-MISSING = crypt.obj ffs.obj langinfo.obj lgamma_r.obj strlcat.obj strlcpy.obj win32/win32.obj win32/file.obj setproctitle.obj
+MISSING = crypt.obj ffs.obj langinfo.obj lgamma_r.obj nextafter.obj strlcat.obj strlcpy.obj win32/win32.obj win32/file.obj setproctitle.obj
 !if $(RT_VER) < 120
 MISSING = $(MISSING) acosh.obj cbrt.obj erf.obj tgamma.obj
 !endif