diff --git a/.github/workflows/backend-ci.yml b/.github/workflows/backend-ci.yml
index ec974e4..cd1a378 100644
--- a/.github/workflows/backend-ci.yml
+++ b/.github/workflows/backend-ci.yml
@@ -48,7 +48,7 @@ jobs:
       - name: Run pylint on backend
         run: |
           pylint --exit-zero --output-format=json $(git ls-files '*.py') > pylint_report.json
-          pylint_score=$(jq '[.[].score] | add / length' pylint_report.json)
+          pylint_score=$(jq '[.[] | select(.score != null) | .score] | add / length' pylint_report.json)
           echo "Pylint score: $pylint_score"
           if (( $(echo "$pylint_score < 8.0" | bc -l) )); then
             echo "Pylint score too low ($pylint_score)!" && exit 1