diff --git a/ChangeLog b/ChangeLog
index 6c49dbb0bc..f70050f96f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Feb 18 15:33:51 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* io.c (pipe_open): sarg is always used unless HAVE_FORK.
+
 Wed Feb 18 15:23:34 2009  Akinori MUSHA  <knu@iDaemons.org>
 
 	* bootstraptest/runner.rb: Use RUBY_DESCRIPTION if defined.
diff --git a/io.c b/io.c
index 3655d61353..2ed05b3d56 100644
--- a/io.c
+++ b/io.c
@@ -4511,9 +4511,9 @@ pipe_open(struct rb_exec_arg *eargp, VALUE prog, const char *modestr, int fmode,
 #elif defined(_WIN32)
     volatile VALUE argbuf;
     char **args = NULL;
-    struct rb_exec_arg sarg;
     int pair[2], write_pair[2];
-#elif defined(__SYMBIAN32__)
+#endif
+#if !defined(HAVE_FORK)
     struct rb_exec_arg sarg;
 #endif
     FILE *fp = 0;