diff --git a/.github/workflows/build_test.yml b/.github/workflows/build_test.yml
index 57c359075..e5edae7fd 100644
--- a/.github/workflows/build_test.yml
+++ b/.github/workflows/build_test.yml
@@ -51,7 +51,7 @@ jobs:
 
       - name: Cycamore Python Tests
         run: |
-          export PYTHONPATH=`python -m site --user-site`/cyclus-*
+          export PYTHONPATH=`python -m site --user-site`/cyclus-999999.999999-py3.10.egg
           echo $PYTHONPATH
           python -c "import sys; print(sys.path)"
           echo $LD_LIBRARY_PATH