diff --git a/packages/ace-core/src/scripts/ace-extraction.js b/packages/ace-core/src/scripts/ace-extraction.js
index 8857f08c..5671ad66 100644
--- a/packages/ace-core/src/scripts/ace-extraction.js
+++ b/packages/ace-core/src/scripts/ace-extraction.js
@@ -137,7 +137,7 @@ ace.getHeadings = function() {
 
   hxElems.forEach(function(hx) {
     headings.push({
-      html: hx.innerHTML,
+      html: hx.textContent,
       level: +hx.localName.slice(1)
     });
   });
diff --git a/packages/ace-core/src/scripts/ace-extraction.test.js b/packages/ace-core/src/scripts/ace-extraction.test.js
index 7bce8e68..10986110 100644
--- a/packages/ace-core/src/scripts/ace-extraction.test.js
+++ b/packages/ace-core/src/scripts/ace-extraction.test.js
@@ -187,13 +187,20 @@ describe('extracting epub:trigger', () => {
   });
 });
 
-describe('extracting headings', () => {
+describe.only('extracting headings', () => {
   test('simple h1', async () => {
     const results = await run('getHeadings', '<h1>title 1</h1>');
     expect(results.length).toBe(1);
     expect(results[0].html).toBe('title 1');
     expect(results[0].level).toBe(1);
   });
+
+  test('complex h1', async () => {
+    const results = await run('getHeadings', '<h1>title 1 <a href="#foo">link</a></h1>');
+    expect(results.length).toBe(1);
+    expect(results[0].html).toBe('title 1 link');
+    expect(results[0].level).toBe(1);
+  });
 });
 
 describe('extracting iframes', () => {