diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 3be4a44..a9732c7 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -13,7 +13,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v1
-      lfs: true
+      with:
+        lfs: true
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v1
       with: