diff --git a/packages/core/test/ArrayField_test.js b/packages/core/test/ArrayField_test.js
index 3116e1d052..ecf1867d96 100644
--- a/packages/core/test/ArrayField_test.js
+++ b/packages/core/test/ArrayField_test.js
@@ -1043,7 +1043,7 @@ describe("ArrayField", () => {
       submitForm(form.node);
 
       sinon.assert.calledWithMatch(form.onSubmit.lastCall, {
-        formData: { multipleChoicesList: [] },
+        formData: {},
       });
 
       form = createFormComponent({