diff --git a/src/core/annotation.js b/src/core/annotation.js
index a1a7a76a6..3bdf9b788 100644
--- a/src/core/annotation.js
+++ b/src/core/annotation.js
@@ -2248,7 +2248,11 @@ class WidgetAnnotation extends Annotation {
       const appearanceDict = (appearanceStream.dict = new Dict(xref));
       appearanceDict.set("Subtype", Name.get("Form"));
       appearanceDict.set("Resources", resources);
-      appearanceDict.set("BBox", [0, 0, this.width, this.height]);
+      const bbox =
+        rotation % 180 === 0
+          ? [0, 0, this.width, this.height]
+          : [0, 0, this.height, this.width];
+      appearanceDict.set("BBox", bbox);
 
       const rotationMatrix = this.getRotationMatrix(annotationStorage);
       if (rotationMatrix !== IDENTITY_MATRIX) {
diff --git a/test/pdfs/.gitignore b/test/pdfs/.gitignore
index 7d5ba5fc3..189aa8b1e 100644
--- a/test/pdfs/.gitignore
+++ b/test/pdfs/.gitignore
@@ -723,3 +723,4 @@
 !issue18529.pdf
 !issue16742.pdf
 !chrome-text-selection-markedContent.pdf
+!bug1963407.pdf
diff --git a/test/pdfs/bug1963407.pdf b/test/pdfs/bug1963407.pdf
new file mode 100755
index 000000000..d76c16e1c
Binary files /dev/null and b/test/pdfs/bug1963407.pdf differ
diff --git a/test/test_manifest.json b/test/test_manifest.json
index 2ffe7549f..2e90ee9bd 100644
--- a/test/test_manifest.json
+++ b/test/test_manifest.json
@@ -12093,5 +12093,19 @@
     "md5": "98b19e944339c01c10c503685eee3ad2",
     "rounds": 1,
     "type": "eq"
+  },
+  {
+    "id": "bug1963407",
+    "file": "pdfs/bug1963407.pdf",
+    "md5": "49d3d2dd42014d978af6e6ad814e5e64",
+    "rounds": 1,
+    "type": "eq",
+    "save": true,
+    "print": true,
+    "annotationStorage": {
+      "24R": {
+        "value": "Hello World"
+      }
+    }
   }
 ]
diff --git a/test/unit/annotation_spec.js b/test/unit/annotation_spec.js
index a75747b20..1879ac1a8 100644
--- a/test/unit/annotation_spec.js
+++ b/test/unit/annotation_spec.js
@@ -2257,7 +2257,7 @@ describe("annotation", function () {
       );
       expect(newData.data).toEqual(
         "2 0 obj\n<< /Subtype /Form /Resources " +
-          "<< /Font << /Helv 314 0 R>>>> /BBox [0 0 32 10] /Matrix [0 1 -1 0 32 0] /Length 74>> stream\n" +
+          "<< /Font << /Helv 314 0 R>>>> /BBox [0 0 10 32] /Matrix [0 1 -1 0 32 0] /Length 74>> stream\n" +
           "/Tx BMC q BT /Helv 5 Tf 1 0 0 1 0 0 Tm 2 2.94 Td (hello world) Tj " +
           "ET Q EMC\nendstream\nendobj\n"
       );
@@ -3808,7 +3808,7 @@ describe("annotation", function () {
         [
           "2 0 obj",
           "<< /Subtype /Form /Resources << /Font << /Helv 314 0 R>>>> " +
-            "/BBox [0 0 32 10] /Matrix [0 -1 1 0 0 10] /Length 170>> stream",
+            "/BBox [0 0 10 32] /Matrix [0 -1 1 0 0 10] /Length 170>> stream",
           "/Tx BMC q",
           "1 1 10 32 re W n",
           "0.600006 0.756866 0.854904 rg",