diff --git a/.github/workflows/build_env_run_tests.yml b/.github/workflows/build_env_run_tests.yml
index 307b4bb2..90b6c562 100644
--- a/.github/workflows/build_env_run_tests.yml
+++ b/.github/workflows/build_env_run_tests.yml
@@ -77,7 +77,7 @@ jobs:
       - name: Install datajoint wheel build with pip flag (macOS)
         if: ${{ matrix.os == 'macos-latest' }}
         run: |
-          source activate activate aeon
+          source activate aeon
           pip install --use-pep517 datajoint git+https://github.com/datajoint-company/datajoint-utilities.git
 
       - name: Update conda env with dev reqs (Linux, Windows, macOS)