diff --git a/tests/browser/02_ops.js b/tests/browser/02_ops.js
index 1561bbbd..bb1a5e78 100644
--- a/tests/browser/02_ops.js
+++ b/tests/browser/02_ops.js
@@ -218,7 +218,7 @@ module.exports = {
         testOpHtml(browser, "JSON Beautify", "{a:1}", ".json-dict .json-literal", "1");
         // testOp(browser, "JSON Minify", "test input", "test_output");
     // testOp(browser, "JSON to CSV", "test input", "test_output");
-        testOp(browser, "Jsonata Query", "{}", '"Hello World!"', ['$base64decode("SGVsbG8gV29ybGQh")']);
+        testOp(browser, "Jsonata Query", '{"a": "SGVsbG8gV29ybGQh"}', '"Hello World!"', ["$base64decode($.a)"]);
     // testOp(browser, "JWT Decode", "test input", "test_output");
     // testOp(browser, "JWT Sign", "test input", "test_output");
     // testOp(browser, "JWT Verify", "test input", "test_output");