diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 08ae764..04d31e4 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Setup environment
         run: |
           cp .ci_support/environment.yml environment.yml
-          echo "  - flux-core" >> environment.yml
+          echo "\n- flux-core" >> environment.yml
       - name: Setup Mambaforge
         uses: conda-incubator/setup-miniconda@v2
         with: