diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e63b9f5..b363603 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -33,4 +33,6 @@ jobs:
         tox -r
     - name: Codecov
       uses: codecov/codecov-action@v1.0.6
-      fail_ci_if_error: true
+      with:
+        flags: unittests
+        fail_ci_if_error: true