diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6893612c..54ae99cd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Set up Python ${{ matrix.python-version }}
         uses: conda-incubator/setup-miniconda@v2
         with:
-          activate-environment: dolfyn-env
+          activate-environment: dolfyn-dev
           environment-file: environment.yml
           python-version: ${{ matrix.python-version }}
           auto-update-conda: true