diff --git a/.github/workflows/pytest-builds.yml b/.github/workflows/pytest-builds.yml
index 5af361a..f23e0a3 100644
--- a/.github/workflows/pytest-builds.yml
+++ b/.github/workflows/pytest-builds.yml
@@ -111,7 +111,7 @@ jobs:
         pytest --cov openjpeg --ignore=openjpeg/src/openjpeg
 
     - name: Switch to pydicom dev and rerun pytest (3.10+)
-      if: contains('["3.10", "3.11", "3.12"]', ${{ matrix.python-version }})
+      if: contains('3.10 3.11 3.12', ${{ matrix.python-version }})
       run: |
         pip uninstall -y pydicom
         pip install git+https://github.com/pydicom/pydicom