diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
index efa156bb..0d5388e6 100644
--- a/.forgejo/workflows/ci.yml
+++ b/.forgejo/workflows/ci.yml
@@ -169,6 +169,7 @@ jobs:
             - name: Run coverage report via nox (fail-under 97%)
               id: coverage
               run: |
+                  mkdir -p build
                   nox -s coverage_report 2>&1 | tee build/coverage-output.txt
                   # Extract the single-line CI summary from nox output
                   grep -E '^(nox > )?COVERAGE (OK|FAILED):' build/coverage-output.txt || true