diff --git a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-fetch-method.md b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-fetch-method.md
index 1335f06f4e..17e36e60a1 100644
--- a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-fetch-method.md
+++ b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-fetch-method.md
@@ -49,7 +49,7 @@ Your code should use `then` to convert the response to JSON.
 ```js
 assert(
   code.match(
-    /\.then\s*\(\s*(response|\(\s*response\s*\))\s*=>\s*response\s*\.json\s*\(\s*\)\s*\)/g
+    /\.then\s*\(\s*\(?(?<var>\w+)\)?\s*=>\s*\k<var>\s*\.json\s*\(\s*\)\s*\)/g
   )
 );
 ```