diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4ec8c4e838080a090eb648486afccb9ee2230c1c..64213551684be490be5affec135b9685cd73fcaf 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -145,8 +145,9 @@ jobs:
 
       - run:
           name: "Report Coverage"
-          shell: "nix-shell -p 'python.withPackages (ps: [ ps.codecov ])'"
+          shell: "nix-shell"
           command: |
+            #! nix-shell -p 'python.withPackages (ps: [ ps.codecov ])'
             cp ./result-doc/share/doc/*/.coverage ./
             python -m coverage combine
             python -m coverage report