diff --git a/.github/workflows/portal-documentation.yaml b/.github/workflows/portal-documentation.yaml
index 0a19dbd806..9478fbeb04 100644
--- a/.github/workflows/portal-documentation.yaml
+++ b/.github/workflows/portal-documentation.yaml
@@ -74,7 +74,7 @@ jobs:
       - name: Build Documentation HTML
         run: |
           docker run -u root:root --rm -v ${{ github.workspace }}:/workspace -w /workspace/Documentation/portal-guide \
-            axonivy/build-container:read-the-docs-2 make -C /doc-build html BASEDIR='/workspace/Documentation/portal-guide' VERSION=${{ steps.get_version.outputs.version }} 2> sphinx-warnings.log || true
+            axonivy/build-container:read-the-docs-2 make -C /doc-build html BASEDIR='/workspace/Documentation/portal-guide' VERSION=${{ steps.get_version.outputs.version }} 2> sphinx-warnings.log
             WARNINGS=$(grep -c "WARNING" sphinx-warnings.log || echo 0)
             echo "locne"
             echo "Found $WARNINGS warnings."