diff --git a/README.md b/README.md
index 84216d1..7ae1f5a 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,7 @@
 <!-- SPDX-License-Identifier: MIT -->
 ![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)
 ![Platform: ESP32](https://img.shields.io/badge/Platform-ESP32-blue.svg)
-[![Build and Test](https://github.com/Tomarun029831/kic_notation/actions/workflows/cmake.yml/badge.svg)](https://github.com/Tomarun029831/kic_notation/actions/workflows/cmake.yml)
-
+[![Build and Test](https://github.com/Tomarun029831/kic_notation/actions/workflows/cmake.yml/badge.svg?branch=main)](https://github.com/Tomarun029831/kic_notation/actions/workflows/cmake.yml)
 # background
 Note: This library was born to parse a "ridiculous" format created with a friend. While the goal was to minimize communication bandwidth, we ended up achieving "insane" speeds and "joke-like" memory consumption for embedded systems.