diff --git a/.github/workflows/build_and_deploy_mac.yml b/.github/workflows/build_and_deploy_mac.yml
index e31ace8be..6366cf6b3 100644
--- a/.github/workflows/build_and_deploy_mac.yml
+++ b/.github/workflows/build_and_deploy_mac.yml
@@ -40,7 +40,7 @@ jobs:
         run: npm install --verbose
 
       - name: Remove bad sonpy file (might make Spike2 format unusable on Mac - should exclude from selection)
-        run: rm -f /usr/local/miniconda/envs/nwb-guide/lib/python3.9/site-packages/sonpy/linux/sonpy.so
+        run: rm -f "$(conda info --base)/envs/envs/nwb-guide/lib/python3.9/site-packages/sonpy/linux/sonpy.so"
 
       - uses: apple-actions/import-codesign-certs@v2
         with: