diff --git a/test/unit/api_spec.js b/test/unit/api_spec.js
index ee66e0c5c..75c14813c 100644
--- a/test/unit/api_spec.js
+++ b/test/unit/api_spec.js
@@ -1826,6 +1826,8 @@ describe("api", function () {
     });
 
     it("multiple render() on the same canvas", function (done) {
+      const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
+
       var viewport = page.getViewport({ scale: 1 });
       var canvasAndCtx = CanvasFactory.create(viewport.width, viewport.height);
 
@@ -1833,11 +1835,13 @@ describe("api", function () {
         canvasContext: canvasAndCtx.context,
         canvasFactory: CanvasFactory,
         viewport,
+        optionalContentConfigPromise,
       });
       var renderTask2 = page.render({
         canvasContext: canvasAndCtx.context,
         canvasFactory: CanvasFactory,
         viewport,
+        optionalContentConfigPromise,
       });
 
       Promise.all([