diff --git a/packages/plugin-html-button-response/src/index.spec.ts b/packages/plugin-html-button-response/src/index.spec.ts
index 2dd527bfe7..65cd2c0c2f 100644
--- a/packages/plugin-html-button-response/src/index.spec.ts
+++ b/packages/plugin-html-button-response/src/index.spec.ts
@@ -4,6 +4,10 @@ import htmlButtonResponse from ".";
 
 jest.useFakeTimers();
 
+beforeEach(() => {
+  document.body.innerHTML = "";
+});
+
 describe("html-button-response", () => {
   it("displays html stimulus and buttons", async () => {
     const { getHTML } = await startTimeline([
@@ -151,7 +155,8 @@ describe("html-button-response", () => {
       },
     ]);
 
-    const btns = document.querySelectorAll(".jspsych-html-button-response-button button");
+    const btns = document.querySelectorAll("div#jspsych-html-button-response-btngroup button");
+    expect(btns.length).toBeGreaterThan(0);
 
     for (let i = 0; i < btns.length; i++) {
       expect(btns[i].getAttribute("disabled")).toBe("disabled");