diff --git a/.github/workflows/ros_build_test.yml b/.github/workflows/ros_build_test.yml
index 28768ce..2709510 100644
--- a/.github/workflows/ros_build_test.yml
+++ b/.github/workflows/ros_build_test.yml
@@ -8,8 +8,8 @@ on:
     paths-ignore:
       - '**/README.md'
 
-    pull_request:
-      branches: [ master ]
+  pull_request:
+    branches: [ master ]
 
   workflow_dispatch: