1 files changed, 6 insertions, 3 deletions
diff --git a/test/test-anki-note-builder.js b/test/test-anki-note-builder.js
index 45087134..2e4beb21 100644
--- a/test/test-anki-note-builder.js
+++ b/test/test-anki-note-builder.js
@@ -92,12 +92,15 @@ async function createVM() {
         _serializeError(error) {
             try {
                 if (typeof error === 'object' && error !== null) {
-                    return {
+                    const result = {
                         name: error.name,
                         message: error.message,
-                        stack: error.stack,
-                        data: error.data
+                        stack: error.stack
                     };
+                    if (Object.prototype.hasOwnProperty.call(error, 'data')) {
+                        result.data = error.data;
+                    }
+                    return result;
                 }
             } catch (e) {
                 // NOP