diff --git a/io.c b/io.c
index f773de8c3f..feff445943 100644
--- a/io.c
+++ b/io.c
@@ -14571,14 +14571,14 @@ argf_write_io(VALUE argf)
 
 /*
  *  call-seq:
- *     ARGF.write(string)   -> integer
+ *     ARGF.write(*objects)  -> integer
  *
- *  Writes _string_ if inplace mode.
+ *  Writes each of the given +objects+ if inplace mode.
  */
 static VALUE
-argf_write(VALUE argf, VALUE str)
+argf_write(int argc, VALUE *argv, VALUE argf)
 {
-    return rb_io_write(argf_write_io(argf), str);
+    return rb_io_writev(argf_write_io(argf), argc, argv);
 }
 
 void
@@ -15823,7 +15823,7 @@ Init_IO(void)
     rb_define_method(rb_cARGF, "binmode", argf_binmode_m, 0);
     rb_define_method(rb_cARGF, "binmode?", argf_binmode_p, 0);
 
-    rb_define_method(rb_cARGF, "write", argf_write, 1);
+    rb_define_method(rb_cARGF, "write", argf_write, -1);
     rb_define_method(rb_cARGF, "print", rb_io_print, -1);
     rb_define_method(rb_cARGF, "putc", rb_io_putc, 1);
     rb_define_method(rb_cARGF, "puts", rb_io_puts, -1);
diff --git a/test/ruby/test_argf.rb b/test/ruby/test_argf.rb
index 146463a470..55a06296aa 100644
--- a/test/ruby/test_argf.rb
+++ b/test/ruby/test_argf.rb
@@ -1130,9 +1130,11 @@ class TestArgf < Test::Unit::TestCase
 
   def test_puts
     t = make_tempfile("argf-#{__method__}", 'bar')
-    ruby('-pi-', '-W0', '-e', "print ARGF.puts('foo')", t.path) do |f|
+    err = "#{@tmpdir}/errout"
+    ruby('-pi-', '-W2', '-e', "print ARGF.puts('foo')", t.path, {err: err}) do |f|
     end
     assert_equal("foo\nbar\n", File.read(t.path))
+    assert_empty File.read(err)
   end
 
   def test_print