2 files changed, 10 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index 63c1ee6b28..3f7577ebdd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Aug 19 11:19:33 2003  Shugo Maeda  <shugo@ruby-lang.org>
+
+	* io.c (next_argv): should not call GetOpenFile() if rb_stdout is
+	not a IO (T_FILE).
+
 Tue Aug 19 07:47:09 2003  GOTOU Yuuzou  <gotoyuzo@notwork.org>
 
 	* ext/openssl/ossl_ssl.c: sync_close is moved to SSLSocket as
diff --git a/io.c b/io.c
index b6dfd05c90..3e623e29b7 100644
--- a/io.c
+++ b/io.c
@@ -2963,9 +2963,11 @@ next_argv()
     OpenFile *fptr;
     int stdout_binmode = 0;
 
-    GetOpenFile(rb_stdout, fptr);
-    if (fptr->mode & FMODE_BINMODE)
-	stdout_binmode = 1;
+    if (TYPE(rb_stdout) == T_FILE) {
+        GetOpenFile(rb_stdout, fptr);
+        if (fptr->mode & FMODE_BINMODE)
+            stdout_binmode = 1;
+    }
 
     if (init_p == 0) {
 	if (RARRAY(rb_argv)->len > 0) {