diff --git a/ChangeLog b/ChangeLog
index 39d0c4b19f..bab4088259 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Jun 10 18:32:24 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* missing/isinf.c, missing/dup2.c, missing/strtod.c, missing/x68.c,
+	  missing/alloca.c: use "ruby/config.h".
+
 Sun Jun 10 17:49:20 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* instruby.rb (install_recursive): should check parent directoris of
diff --git a/missing/alloca.c b/missing/alloca.c
index 39697f114a..067f76b183 100644
--- a/missing/alloca.c
+++ b/missing/alloca.c
@@ -29,7 +29,7 @@
 static char	SCCSid[] = "@(#)alloca.c	1.1";	/* for the "what" utility */
 #endif
 
-#include "config.h"
+#include "ruby/config.h"
 #ifdef emacs
 #ifdef static
 /* actually, only want this if static is defined as ""
diff --git a/missing/dup2.c b/missing/dup2.c
index 00d8145976..7554084c5d 100644
--- a/missing/dup2.c
+++ b/missing/dup2.c
@@ -11,7 +11,7 @@
  * Return fd2 if all went well; return BADEXIT otherwise.
  */
 
-#include "config.h"
+#include "ruby/config.h"
 
 #if defined(HAVE_FCNTL)
 # include <fcntl.h>
diff --git a/missing/isinf.c b/missing/isinf.c
index 27271bdec2..eecb3eb498 100644
--- a/missing/isinf.c
+++ b/missing/isinf.c
@@ -18,7 +18,7 @@ isinf(double n)
 
 #else
 
-#include "config.h"
+#include "ruby/config.h"
 
 #if defined(HAVE_FINITE) && defined(HAVE_ISNAN)
 
diff --git a/missing/strtod.c b/missing/strtod.c
index fdccd48081..ce1c0f6d44 100644
--- a/missing/strtod.c
+++ b/missing/strtod.c
@@ -17,7 +17,7 @@
  * RCS: @(#) $Id$
  */
 
-#include "config.h"
+#include "ruby/config.h"
 #ifdef HAVE_STDLIB_H
 #   include <stdlib.h>
 #endif
diff --git a/missing/x68.c b/missing/x68.c
index 8d00d50041..ece840d9ce 100644
--- a/missing/x68.c
+++ b/missing/x68.c
@@ -1,6 +1,6 @@
 /* x68 compatibility functions -- follows Ruby's license */
 
-#include "config.h"
+#include "ruby/config.h"
 
 #if !HAVE_SELECT
 #include "x68/select.c"