diff --git a/vlib/io/multi_writer.v b/vlib/io/multi_writer.v
index 75d9525729..f50dbdac26 100644
--- a/vlib/io/multi_writer.v
+++ b/vlib/io/multi_writer.v
@@ -6,7 +6,7 @@ module io
 // full length an error is returned and writing to other writers stops, and if
 // any writer returns an error the error is returned immediately and writing to
 // other writers stops.
-pub fn new_multi_writer(writers []Writer) Writer {
+pub fn new_multi_writer(writers ...Writer) Writer {
 	return &MultiWriter{
 		writers: writers
 	}
diff --git a/vlib/io/multi_writer_test.v b/vlib/io/multi_writer_test.v
index 6d46236bdc..0888f850de 100644
--- a/vlib/io/multi_writer_test.v
+++ b/vlib/io/multi_writer_test.v
@@ -3,7 +3,7 @@ module io
 fn test_multi_writer_write_successful() {
 	w0 := TestWriter{}
 	w1 := TestWriter{}
-	mw := new_multi_writer([w0, w1])
+	mw := new_multi_writer(w0, w1)
 	n := mw.write('0123456789'.bytes()) or {
 		assert false
 		return
@@ -16,7 +16,7 @@ fn test_multi_writer_write_successful() {
 fn test_multi_writer_write_incomplete() {
 	w0 := TestWriter{}
 	w1 := TestIncompleteWriter{}
-	mw := new_multi_writer([w0, w1])
+	mw := new_multi_writer(w0, w1)
 	n := mw.write('0123456789'.bytes()) or {
 		assert w0.bytes == '0123456789'.bytes()
 		assert w1.bytes == '012345678'.bytes()
@@ -29,7 +29,7 @@ fn test_multi_writer_write_error() {
 	w0 := TestWriter{}
 	w1 := TestErrorWriter{}
 	w2 := TestWriter{}
-	mw := new_multi_writer([w0, w1, w2])
+	mw := new_multi_writer(w0, w1, w2)
 	n := mw.write('0123456789'.bytes()) or {
 		assert w0.bytes == '0123456789'.bytes()
 		assert w2.bytes == []