diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index f1754f24de..755765c969 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -21,6 +21,7 @@ jobs:
         with:
           repository: powsybl/powsybl-core
           ref: refs/heads/sensi_indexing_by_variable_type
+
       - name: Checkout sources
         uses: actions/checkout@v1