diff --git a/.github/workflows/tox-tests.yaml b/.github/workflows/tox-tests.yaml
index 11d3a84..9fe31fd 100644
--- a/.github/workflows/tox-tests.yaml
+++ b/.github/workflows/tox-tests.yaml
@@ -142,10 +142,13 @@ jobs:
       with:
         files: .test-results/pytest/cov.xml
         flags: >-
-          GHA,
-          ${{ runner.os }},
-          ${{ matrix.python-version }},
-          towncrier-v${{ matrix.towncrier-version }}
+          GHA,${{
+            runner.os
+          }},${{
+            matrix.python-version
+          }},towncrier-v${{
+            matrix.towncrier-version
+          }}
 
   check:  # This job does nothing and is only used for the branch protection
     if: always()