diff --git a/.github/workflows/build_esp.yml b/.github/workflows/build_esp.yml
index df4d3d1f..2e2859c9 100644
--- a/.github/workflows/build_esp.yml
+++ b/.github/workflows/build_esp.yml
@@ -6,7 +6,7 @@ on:
       - 'src/**'
       - 'examples/**'
       - 'lib/**'
-      - 'hw/**'      
+      - 'hw/**'
   pull_request:
     branches: [ master ]
     paths: