diff --git a/dev/js/spec/pluginSpec.js b/dev/js/spec/pluginSpec.js
index 41589ec..570f3f4 100644
--- a/dev/js/spec/pluginSpec.js
+++ b/dev/js/spec/pluginSpec.js
@@ -174,7 +174,7 @@
 
       var iframe = we.firstChild;
       expect(iframe.tagName).toEqual("IFRAME");
-      expect(iframe.getAttribute("sandbox")).toEqual("allow-scripts");
+      expect(iframe.getAttribute("sandbox")).toEqual("allow-scripts allow-forms");
       expect(iframe.getAttribute("src")).toEqual("https://example");
       expect(iframe.getAttribute("name")).toEqual("56");