diff --git a/.circleci/config.yml b/.circleci/config.yml
index cf1a2e1..064a5e0 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -115,7 +115,7 @@ jobs:
                 name: legacy test (grid2op ~1.3)
                 command: |
                       source venv_test/bin/activate
-                      pip install" grid2op~=1.3.0"
+                      pip install "grid2op~=1.3.0"
                       sed -i -e 's/np.int)/np.int32)/g' venv_test/lib/python3.*/site-packages/grid2op/Backend/PandaPowerBackend.py
                       sed -i -e 's/np.bool/np.bool_/g' venv_test/lib/python3.*/site-packages/grid2op/dtypes.py
                       python -m unittest lightsim2grid/tests/test_compat_legacy_grid2op.py