diff --git a/ChangeLog b/ChangeLog
index 5bf46ae7cb..5c98c2bc7a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Jan 12 16:07:17 2003  WATANABE Hirofumi  <eban@ruby-lang.org>
+
+	* io.c (next_argv): inherit binmode from $defout.
+
 Sat Jan 11 22:50:47 2003  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* ext/dl/lib/dl/win32.rb: compatibility improvement.
diff --git a/io.c b/io.c
index 737776d915..7381fe1c92 100644
--- a/io.c
+++ b/io.c
@@ -2885,6 +2885,12 @@ next_argv()
 {
     extern VALUE rb_argv;
     char *fn;
+    OpenFile *fptr;
+    int defout_binmode = 0;
+
+    GetOpenFile(rb_defout, fptr);
+    if (fptr->mode | FMODE_BINMODE)
+	defout_binmode = 1;
 
     if (init_p == 0) {
 	if (RARRAY(rb_argv)->len > 0) {
@@ -2977,6 +2983,7 @@ next_argv()
 		prep_path(current_file, fn);
 	    }
 	    if (binmode) rb_io_binmode(current_file);
+	    if (defout_binmode) rb_io_binmode(rb_defout);
 	}
 	else {
 	    init_p = 0;
diff --git a/version.h b/version.h
index 8fc5d9ea0f..b795149076 100644
--- a/version.h
+++ b/version.h
@@ -1,11 +1,11 @@
 #define RUBY_VERSION "1.8.0"
-#define RUBY_RELEASE_DATE "2003-01-11"
+#define RUBY_RELEASE_DATE "2003-01-12"
 #define RUBY_VERSION_CODE 180
-#define RUBY_RELEASE_CODE 20030111
+#define RUBY_RELEASE_CODE 20030112
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2003
 #define RUBY_RELEASE_MONTH 01
-#define RUBY_RELEASE_DAY 11
+#define RUBY_RELEASE_DAY 12