diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 1b29bee5..e7d7c8b2 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -54,5 +54,5 @@ jobs:
       - name: Tests with pytest
         if: runner.os != 'Windows'
         run: |
-          export DUECREDIT_ENABLE=yes
+          export DUECREDIT_ENABLE yes
           pytest tests