diff --git a/src/core/annotation.js b/src/core/annotation.js
index bca494b587f65..5fe3d86547620 100644
--- a/src/core/annotation.js
+++ b/src/core/annotation.js
@@ -1531,25 +1531,23 @@ class ButtonWidgetAnnotation extends WidgetAnnotation {
       return;
     }
 
-    const exportValueOptionsDict = customAppearance.get("D");
-    if (!isDict(exportValueOptionsDict)) {
+    const normalAppearance = customAppearance.get("N");
+    if (!isDict(normalAppearance)) {
       return;
     }
 
-    const exportValues = exportValueOptionsDict.getKeys();
-    const hasCorrectOptionCount = exportValues.length === 2;
-    if (!hasCorrectOptionCount) {
+    const exportValues = normalAppearance.getKeys();
+    if (!exportValues.includes("Off")) {
+      // The /Off appearance is optional.
+      exportValues.push("Off");
+    }
+    if (exportValues.length !== 2) {
       return;
     }
 
     this.data.exportValue =
       exportValues[0] === "Off" ? exportValues[1] : exportValues[0];
 
-    const normalAppearance = customAppearance.get("N");
-    if (!isDict(normalAppearance)) {
-      return;
-    }
-
     this.checkedAppearance = normalAppearance.get(this.data.exportValue);
     this.uncheckedAppearance = normalAppearance.get("Off") || null;
   }
diff --git a/test/unit/annotation_spec.js b/test/unit/annotation_spec.js
index 46ed399741e75..f948a926ddcf4 100644
--- a/test/unit/annotation_spec.js
+++ b/test/unit/annotation_spec.js
@@ -1882,11 +1882,11 @@ describe("annotation", function () {
       buttonWidgetDict.set("V", Name.get("1"));
 
       const appearanceStatesDict = new Dict();
-      const exportValueOptionsDict = new Dict();
+      const normalAppearanceDict = new Dict();
 
-      exportValueOptionsDict.set("Off", 0);
-      exportValueOptionsDict.set("Checked", 1);
-      appearanceStatesDict.set("D", exportValueOptionsDict);
+      normalAppearanceDict.set("Off", 0);
+      normalAppearanceDict.set("Checked", 1);
+      appearanceStatesDict.set("N", normalAppearanceDict);
       buttonWidgetDict.set("AP", appearanceStatesDict);
 
       const buttonWidgetRef = Ref.get(124, 0);
@@ -1931,9 +1931,38 @@ describe("annotation", function () {
       }, done.fail);
     });
 
+    it("should handle checkboxes without /Off appearance", function (done) {
+      buttonWidgetDict.set("V", Name.get("1"));
+
+      const appearanceStatesDict = new Dict();
+      const normalAppearanceDict = new Dict();
+
+      normalAppearanceDict.set("Checked", 1);
+      appearanceStatesDict.set("N", normalAppearanceDict);
+      buttonWidgetDict.set("AP", appearanceStatesDict);
+
+      const buttonWidgetRef = Ref.get(124, 0);
+      const xref = new XRefMock([
+        { ref: buttonWidgetRef, data: buttonWidgetDict },
+      ]);
+
+      AnnotationFactory.create(
+        xref,
+        buttonWidgetRef,
+        pdfManagerMock,
+        idFactoryMock
+      ).then(({ data }) => {
+        expect(data.annotationType).toEqual(AnnotationType.WIDGET);
+        expect(data.checkBox).toEqual(true);
+        expect(data.fieldValue).toEqual("1");
+        expect(data.radioButton).toEqual(false);
+        expect(data.exportValue).toEqual("Checked");
+        done();
+      }, done.fail);
+    });
+
     it("should render checkboxes for printing", function (done) {
       const appearanceStatesDict = new Dict();
-      const exportValueOptionsDict = new Dict();
       const normalAppearanceDict = new Dict();
       const checkedAppearanceDict = new Dict();
       const uncheckedAppearanceDict = new Dict();
@@ -1949,9 +1978,6 @@ describe("annotation", function () {
       checkedAppearanceDict.set("Matrix", [1, 0, 0, 1, 0, 0]);
       normalAppearanceDict.set("Checked", checkedStream);
       normalAppearanceDict.set("Off", uncheckedStream);
-      exportValueOptionsDict.set("Off", 0);
-      exportValueOptionsDict.set("Checked", 1);
-      appearanceStatesDict.set("D", exportValueOptionsDict);
       appearanceStatesDict.set("N", normalAppearanceDict);
 
       buttonWidgetDict.set("AP", appearanceStatesDict);
@@ -2019,14 +2045,10 @@ describe("annotation", function () {
 
     it("should save checkboxes", function (done) {
       const appearanceStatesDict = new Dict();
-      const exportValueOptionsDict = new Dict();
       const normalAppearanceDict = new Dict();
 
       normalAppearanceDict.set("Checked", Ref.get(314, 0));
       normalAppearanceDict.set("Off", Ref.get(271, 0));
-      exportValueOptionsDict.set("Off", 0);
-      exportValueOptionsDict.set("Checked", 1);
-      appearanceStatesDict.set("D", exportValueOptionsDict);
       appearanceStatesDict.set("N", normalAppearanceDict);
 
       buttonWidgetDict.set("AP", appearanceStatesDict);
@@ -2059,8 +2081,7 @@ describe("annotation", function () {
           expect(oldData.data).toEqual(
             "123 0 obj\n" +
               "<< /Type /Annot /Subtype /Widget /FT /Btn " +
-              "/AP << /D << /Off 0 /Checked 1>> " +
-              "/N << /Checked 314 0 R /Off 271 0 R>>>> " +
+              "/AP << /N << /Checked 314 0 R /Off 271 0 R>>>> " +
               "/V /Checked /AS /Checked /M (date)>>\nendobj\n"
           );
           return annotation;
@@ -2142,7 +2163,6 @@ describe("annotation", function () {
 
     it("should render radio buttons for printing", function (done) {
       const appearanceStatesDict = new Dict();
-      const exportValueOptionsDict = new Dict();
       const normalAppearanceDict = new Dict();
       const checkedAppearanceDict = new Dict();
       const uncheckedAppearanceDict = new Dict();
@@ -2158,9 +2178,6 @@ describe("annotation", function () {
       checkedAppearanceDict.set("Matrix", [1, 0, 0, 1, 0, 0]);
       normalAppearanceDict.set("Checked", checkedStream);
       normalAppearanceDict.set("Off", uncheckedStream);
-      exportValueOptionsDict.set("Off", 0);
-      exportValueOptionsDict.set("Checked", 1);
-      appearanceStatesDict.set("D", exportValueOptionsDict);
       appearanceStatesDict.set("N", normalAppearanceDict);
 
       buttonWidgetDict.set("Ff", AnnotationFieldFlag.RADIO);
@@ -2229,14 +2246,10 @@ describe("annotation", function () {
 
     it("should save radio buttons", function (done) {
       const appearanceStatesDict = new Dict();
-      const exportValueOptionsDict = new Dict();
       const normalAppearanceDict = new Dict();
 
       normalAppearanceDict.set("Checked", Ref.get(314, 0));
       normalAppearanceDict.set("Off", Ref.get(271, 0));
-      exportValueOptionsDict.set("Off", 0);
-      exportValueOptionsDict.set("Checked", 1);
-      appearanceStatesDict.set("D", exportValueOptionsDict);
       appearanceStatesDict.set("N", normalAppearanceDict);
 
       buttonWidgetDict.set("Ff", AnnotationFieldFlag.RADIO);
@@ -2282,8 +2295,7 @@ describe("annotation", function () {
           expect(radioData.data).toEqual(
             "123 0 obj\n" +
               "<< /Type /Annot /Subtype /Widget /FT /Btn /Ff 32768 " +
-              "/AP << /D << /Off 0 /Checked 1>> " +
-              "/N << /Checked 314 0 R /Off 271 0 R>>>> " +
+              "/AP << /N << /Checked 314 0 R /Off 271 0 R>>>> " +
               "/Parent 456 0 R /AS /Checked /M (date)>>\nendobj\n"
           );
           expect(parentData.ref).toEqual(Ref.get(456, 0));