diff --git a/.github/workflows/build_test.yml b/.github/workflows/build_test.yml
index 7c0c07b65..dea7b7444 100644
--- a/.github/workflows/build_test.yml
+++ b/.github/workflows/build_test.yml
@@ -51,5 +51,5 @@ jobs:
 
       - name: Cycamore Python Tests
         run: |
-          export PYTHONPATH=$(find /root/.local/lib -type d -name 'cyclus-*' -print -quit)
+          export PYTHONPATH=$(find /root/.local/lib -type d -name 'cyclus-*-*.egg' -print -quit)
           cd tests && python -m pytest