diff --git a/.diffcover.toml b/.diffcover.toml
new file mode 100644
index 0000000000..1d570898d1
--- /dev/null
+++ b/.diffcover.toml
@@ -0,0 +1,4 @@
+[tool.diff_cover]
+exclude = [
+    "*/chia/_tests/*/config.py",
+]
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d2ca14540a..eb450efdea 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -226,7 +226,7 @@ jobs:
         env:
           compare-branch: ${{ github.base_ref == '' && github.event.before || format('origin/{0}', github.base_ref) }}
         run: |
-          diff-cover --compare-branch=${{ env.compare-branch }} --fail-under=100 --html-report=coverage-reports/diff-cover.html --markdown-report=coverage-reports/diff-cover.md coverage-reports/coverage.xml | tee coverage-reports/diff-cover-stdout
+          diff-cover --config-file=.diffcover.toml --compare-branch=${{ env.compare-branch }} --fail-under=100 --html-report=coverage-reports/diff-cover.html --markdown-report=coverage-reports/diff-cover.md coverage-reports/coverage.xml | tee coverage-reports/diff-cover-stdout
           COV_STATUS="${PIPESTATUS[0]}"
           echo "COV_STATUS=$COV_STATUS" >> "$GITHUB_ENV"
           if [[ $COV_STATUS != '0' && "$GITHUB_BASE_REF" != '' ]]; then