diff --git a/CHANGELOG.md b/CHANGELOG.md
index 635e1112..1eafca26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,10 @@
 - Add bbox and placement options to PDFStructureElement for PDF/UA compliance
 - Extend `roundedRect` with `borderRadius` as number for all corners or per-corner array (CSS order)
 
+### [v0.18.1] - 2026-05-29
+
+- Fix accessibility: scope in TH element
+- 
 ### [v0.18.0] - 2026-03-14
 
 - Fix garbled text copying in Chrome/Edge for PDFs with >256 unique characters (#1659)
diff --git a/lib/structure_element.js b/lib/structure_element.js
index 01644379..3db9cd4b 100644
--- a/lib/structure_element.js
+++ b/lib/structure_element.js
@@ -59,6 +59,14 @@ class PDFStructureElement {
       data.A = attrs;
     }
 
+    if (typeof options.scope !== 'undefined') {
+      data.A = {
+        ...(data.A || {}),
+        O: 'Table',
+        Scope: options.scope,
+      };
+    }
+
     this._children = [];
 
     if (children) {
diff --git a/package.json b/package.json
index 658eedf3..665cd9c6 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "document",
     "vector"
   ],
-  "version": "0.18.0",
+  "version": "0.18.1",
   "homepage": "http://pdfkit.org/",
   "author": {
     "name": "Devon Govett",
diff --git a/tests/unit/structure_element.spec.js b/tests/unit/structure_element.spec.js
index 530ae89a..e2df8e83 100644
--- a/tests/unit/structure_element.spec.js
+++ b/tests/unit/structure_element.spec.js
@@ -150,5 +150,33 @@ describe('PDFStructureElement', () => {
         `endobj`,
       ]);
     });
+    test('should contain scope on TH tag', () => {
+      const docData = logData(document);
+
+      const table = document.struct('Table');
+
+      const thead = document.struct('THead');
+
+      table.add(thead);
+
+      const trHead = document.struct('TR');
+
+      thead.add(trHead);
+
+      const th1 = document.struct('TH', { scope: 'Column' });
+
+      th1.add(document.struct('P', () => document.text('Test')));
+
+      trHead.add(th1);
+
+      document.addStructure(table);
+
+      document.end();
+
+      expect(docData).toContainChunk([
+        '<<\n/S /TH\n/A <<\n/O /Table\n/Scope /Column\n>>\n/P 10 0 R\n/K [12 0 R]\n>>',
+        `endobj`,
+      ]);
+    })
   });
 });