diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 6d7fa52d3..197efa7c4 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -11,6 +11,7 @@ jobs:
       matrix:
         sentencecase: ['on+guess', 'on', 'off']
         caseprotection: [ 'as-needed', 'strict', 'off' ]
+        preservequoted: [ 'false', 'true' ]
     steps:
     - uses: actions/checkout@v3
     - run: echo "::version="`jq -r .version package.json` >> $GITHUB_OUTPUT
@@ -34,7 +35,7 @@ jobs:
     - name: install node dependencies
       run: npm install
 
-    - run: npm test --sentence-case=${{ matrix.sentencecase }} --case-protection=${{ matrix.caseprotection }} --big
+    - run: npm test --sentence-case=${{ matrix.sentencecase }} --case-protection=${{ matrix.caseprotection }} --preserve-quoted=${{ matrix.preservequoted }}--big
 
   release:
     runs-on: ubuntu-latest
diff --git a/test/tap b/test/tap
index 2ced7863e..e67e070c3 100755
--- a/test/tap
+++ b/test/tap
@@ -10,7 +10,7 @@ const prefix = 'npm_config_'
 const valid = {
   sentence_case: ['on+guess', 'on', 'off'],
   case_protection: [ 'as-needed', 'strict', 'off' ],
-  preserveQuoted: [ 'false', 'true' ],
+  preserve_quoted: [ 'false', 'true' ],
 }
 const multi = ['test']
 
@@ -18,7 +18,7 @@ const config = Object.assign({
   all: '',
   sentence_case: valid.sentence_case.slice(0, 1),
   case_protection: valid.case_protection.slice(0, 1),
-  preserveQuoted: valid.preserveQuoted.slice(0, 1),
+  preserve_quoted: valid.preserve_quoted.slice(0, 1),
   test: [''],
   snapshot: '',
   unabbreviations: path.resolve(path.join(__dirname, '..', 'unabbrev.json')),
@@ -94,11 +94,11 @@ for (const bibfile of testcases) {
 
   for (const sentence_case of config.sentence_case) {
     for (const case_protection of config.case_protection) {
-      for (const preserveQuoted of config.preserveQuoted) {
+      for (const preserve_quoted of config.preserve_quoted) {
         if (config.toobig.includes(basename)) continue
   
         const unabbreviate = config.unabbreviate.includes(basename);
-        const settings = `sentencecase=${sentence_case}^caseprotection=${case_protection}${preserveQuoted === 'true' ? '^preservequoted' : ''}`;
+        const settings = `sentencecase=${sentence_case}^caseprotection=${case_protection}${preserve_quoted === 'true' ? '^preservequoted' : ''}`;
   
         ; ((bibfile, options, name, snapshot) => {
           tap.test(name, async t => {
@@ -113,7 +113,7 @@ for (const bibfile of testcases) {
           {
             caseProtection: case_protection === 'off' ? false : case_protection,
             sentenceCase: sentence_case.startsWith('on'),
-            preserveQuoted: preserveQuoted === 'true',
+            preserve_quoted: preserve_quoted === 'true',
             guessAlreadySentenceCased: sentence_case.endsWith('guess'),
             unabbreviations: unabbreviate && config.unabbreviations,
             strings: unabbreviate && config.strings,