diff --git a/.github/workflows/config/empty.toml b/.github/workflows/config/empty.toml
new file mode 100644
index 000000000..3f501a085
--- /dev/null
+++ b/.github/workflows/config/empty.toml
@@ -0,0 +1 @@
+# An empty TOML file used by ../flake8.yml as Darker configuration
diff --git a/.github/workflows/darker-flake8.yml b/.github/workflows/darker-flake8.yml
index 9fa3f02de..2a59cc18d 100644
--- a/.github/workflows/darker-flake8.yml
+++ b/.github/workflows/darker-flake8.yml
@@ -14,7 +14,12 @@ jobs:
       - name: Run Darker's own GitHub action straight from the repository
         uses: ./
         with:
-          options: --check --diff --color --isort --config pyproject.toml
+          options:
+            --check
+            --diff
+            --color
+            --isort
+            --config .github/workflows/config/empty.toml
           src: src/darker
           revision: origin/master...
           lint: flake8