diff --git a/src/core/editor/pdf_editor.js b/src/core/editor/pdf_editor.js
index f07ddc7141567..2cb0012773605 100644
--- a/src/core/editor/pdf_editor.js
+++ b/src/core/editor/pdf_editor.js
@@ -1215,7 +1215,7 @@ class PDFEditor {
           if (!isName(annotationDict.get("Subtype"), "Link")) {
             if (isName(annotationDict.get("Subtype"), "Widget")) {
               hasSignatureAnnotations ||= isName(
-                annotationDict.get("FT"),
+                getInheritableProperty({ dict: annotationDict, key: "FT" }),
                 "Sig"
               );
               const parentRef = annotationDict.getRaw("Parent") || null;
diff --git a/test/unit/api_spec.js b/test/unit/api_spec.js
index 2fd069643ca35..6b65a83c58d14 100644
--- a/test/unit/api_spec.js
+++ b/test/unit/api_spec.js
@@ -7762,6 +7762,33 @@ small scripts as well as for`);
         await loadingTask.destroy();
       });
 
+      it("preserves flags for inherited signature fields", async function () {
+        const pdfData = assemblePdf([
+          "1 0 obj\n<< /Type /Catalog /Pages 2 0 R " +
+            "/AcroForm 6 0 R >>\nendobj\n",
+          "2 0 obj\n<< /Type /Pages /Kids [3 0 R] /Count 1 >>\nendobj\n",
+          "3 0 obj\n<< /Type /Page /Parent 2 0 R " +
+            "/MediaBox [0 0 100 100] /Annots [4 0 R] >>\nendobj\n",
+          "4 0 obj\n<< /Type /Annot /Subtype /Widget /Rect [0 0 20 10] " +
+            "/Parent 5 0 R >>\nendobj\n",
+          "5 0 obj\n<< /FT /Sig /T (signature) /Kids [4 0 R] >>\nendobj\n",
+          "6 0 obj\n<< /Fields [5 0 R] /SigFlags 3 >>\nendobj\n",
+        ]);
+
+        let loadingTask = getDocument({ data: pdfData });
+        let pdfDoc = await loadingTask.promise;
+        const data = await pdfDoc.extractPages([{ document: null }]);
+        expect(countMarker(data, "/SigFlags ")).toEqual(1);
+        await loadingTask.destroy();
+
+        loadingTask = getDocument({ data });
+        pdfDoc = await loadingTask.promise;
+        expect(Object.keys(await pdfDoc.getFieldObjects())).toEqual([
+          "signature",
+        ]);
+        await loadingTask.destroy();
+      });
+
       it("extract page 2 and check AcroForm Fields T entries", async function () {
         let loadingTask = getDocument(
           buildGetDocumentParams("form_two_pages.pdf")