diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9e5432f3..1f1c6a17 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -31,9 +31,8 @@ jobs:
 
       - name: Create and activate Conda environment
         run: |
-          conda init bash && source ~/.bashrc
           conda env create -f environment.yml || conda env update -f environment.yml
-          conda activate lotus
+          source $HOME/miniconda/bin/activate
           python -m pip install ruff==0.7.2
 
       - name: Run ruff