diff --git a/.c8rc.json b/.c8rc.json
index a3b22aa6e..42378c4d6 100644
--- a/.c8rc.json
+++ b/.c8rc.json
@@ -19,6 +19,6 @@
     "clover": {"file": "coverage.clover.xml"},
     "html": {"subdir": "coverage.html"}
   },
-  "reports-dir": "./reports",
+  "reports-dir": "./reports/coverage",
   "temp-directory": "./.c8.cache"
 }
diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index a6ff46fc6..c6e717b4a 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -138,8 +138,8 @@ jobs:
       - name: collect coverage
         if: ${{ failure() || success() }}
         run: >
-          npx c8 report 
-          --reporter clover 
+          npx c8 report
+          --reporter clover
           --reports-dir '${{ env.REPORTS_DIR }}/coverage/${{ matrix.os }}_node${{ matrix.node-version }}'
       - name: artifact test reports
         if: ${{ ! cancelled() }}
diff --git a/src/serialize/json/normalize.ts b/src/serialize/json/normalize.ts
index d6a799e92..3e800caa6 100644
--- a/src/serialize/json/normalize.ts
+++ b/src/serialize/json/normalize.ts
@@ -340,9 +340,11 @@ export class LicenseNormalizer extends BaseJsonNormalizer<Models.License> {
         return this.#normalizeSpdxLicense(data as Models.SpdxLicense, options)
       case data instanceof Models.LicenseExpression:
         return this.#normalizeLicenseExpression(data as Models.LicenseExpression)
+      /* c8 ignore start */
       default:
         // this case is not expected to happen - and therefore is undocumented
         throw new TypeError('Unexpected LicenseChoice')
+      /* c8 ignore end */
     }
   }
 
diff --git a/src/serialize/xml/normalize.ts b/src/serialize/xml/normalize.ts
index ad4064451..a6ae9ae01 100644
--- a/src/serialize/xml/normalize.ts
+++ b/src/serialize/xml/normalize.ts
@@ -436,9 +436,11 @@ export class LicenseNormalizer extends BaseXmlNormalizer<Models.License> {
         return this.#normalizeSpdxLicense(data as Models.SpdxLicense, options)
       case data instanceof Models.LicenseExpression:
         return this.#normalizeLicenseExpression(data as Models.LicenseExpression)
+      /* c8 ignore start */
       default:
         // this case is not expected to happen - and therefore is undocumented
         throw new TypeError('Unexpected LicenseChoice')
+      /* c8 ignore end */
     }
   }