diff --git a/.github/workflows/GithubActionsCI_maven.yml b/.github/workflows/GithubActionsCI_maven.yml
index 207a073a..da1d5f2f 100644
--- a/.github/workflows/GithubActionsCI_maven.yml
+++ b/.github/workflows/GithubActionsCI_maven.yml
@@ -8,7 +8,7 @@ on:
     branches-ignore:
       - 'master' # no need to run after merging to master
       - 'main' # no need to run after merging to main; main is the "new" master
-    pull_request:
+  pull_request:
 
 jobs:
   build_and_test: