diff --git a/.github/workflows/unittests.yaml b/.github/workflows/unittests.yaml
index e3f0ffb..17f1fde 100644
--- a/.github/workflows/unittests.yaml
+++ b/.github/workflows/unittests.yaml
@@ -46,3 +46,4 @@ jobs:
     - name: Check results
       run: |
         grep -q "FAILED" pytest-coverage.txt && exit 1 || exit 0
+        grep -q "ERROR" pytest-coverage.txt && exit 1 || exit 0