diff --git a/buildlog/buildlog.go b/buildlog/buildlog.go
index d3b3424..fa71b26 100644
--- a/buildlog/buildlog.go
+++ b/buildlog/buildlog.go
@@ -131,7 +131,7 @@ func (l *log) output(reader *bufio.Reader) (bool, error) {
 		return false, &parseError{}
 	}
 
-	fmt.Fprintln(l.writer, parsedLog)
+	fmt.Fprintf(l.writer, "%s\r\n", parsedLog)
 	return false, nil
 }
 
diff --git a/buildlog/buildlog_test.go b/buildlog/buildlog_test.go
index 1a60bd2..f803ce9 100644
--- a/buildlog/buildlog_test.go
+++ b/buildlog/buildlog_test.go
@@ -75,7 +75,7 @@ func TestRun(t *testing.T) {
 
 		select {
 		case <-done:
-			expected := "main: test 1\nmain: test 2\n"
+			expected := "main: test 1\r\nmain: test 2\r\n"
 			assert.Equal(t, expected, writer.String())
 		case <-timeout:
 			assert.Fail(t, "timeout stop buildlog")
@@ -121,7 +121,7 @@ func TestRun(t *testing.T) {
 
 		select {
 		case <-done:
-			expected := "main: test 1\nmain: long input " + string(longBuffer) + "\nmain: test 3\n"
+			expected := "main: test 1\r\nmain: long input " + string(longBuffer) + "\r\nmain: test 3\r\n"
 			assert.Equal(t, expected, writer.String())
 		case <-timeout:
 			assert.Fail(t, "timeout stop buildlog")