diff --git a/.github/workflows/ci-ubuntu.yml b/.github/workflows/ci-ubuntu.yml
index e56941b..f11638d 100644
--- a/.github/workflows/ci-ubuntu.yml
+++ b/.github/workflows/ci-ubuntu.yml
@@ -42,6 +42,8 @@ jobs:
     #     # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
     #     flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Install the package
+      env: 
+        EASTEREIG_USE_FPOLY: ${{ matrix.EASTEREIG_USE_FPOLY }}   
       run: |
         pip install -e .
         # Check if .so is there