diff --git a/ChangeLog b/ChangeLog
index 19031b37f3..8dbcc3fd24 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Oct 21 13:11:31 2004  WATANABE Hirofumi  <eban@ruby-lang.org>
+
+	* io.c (pipe_open): variable name "fpw" is conflicted.
+
 Thu Oct 21 00:36:41 2004  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* parse.y (lex_getline): should not touch ruby_debug_lines if
diff --git a/io.c b/io.c
index 2dc89cbeb9..460973ff27 100644
--- a/io.c
+++ b/io.c
@@ -2876,9 +2876,9 @@ pipe_open(argc, argv, pname, mode)
 	fptr->f = PIPE_FDOPEN(0);
     }
     if (modef & FMODE_WRITABLE) {
-	FILE *fpw = PIPE_FDOPEN(1);
-	if (fptr->f) fptr->f2 = fpw;
-	else fptr->f = fpw;
+	FILE *fpwt = PIPE_FDOPEN(1);
+	if (fptr->f) fptr->f2 = fpwt;
+	else fptr->f = fpwt;
     }
 #if defined (__CYGWIN__) || !defined(HAVE_FORK)
     fptr->finalize = pipe_finalize;