diff --git a/challenges/02-javascript-algorithms-and-data-structures/es6.json b/challenges/02-javascript-algorithms-and-data-structures/es6.json
index 380cb3ebb..db52c8bf2 100644
--- a/challenges/02-javascript-algorithms-and-data-structures/es6.json
+++ b/challenges/02-javascript-algorithms-and-data-structures/es6.json
@@ -1301,7 +1301,7 @@
         {
           "text": "valid <code>import</code> statement",
           "testString":
-            "getUserInput => assert(getUserInput('index').match(/import\\s+\\{\\s?capitalizeString\\s?\\}\\s+from\\s+\"string_functions\"/g), 'valid <code>import</code> statement');"
+            "getUserInput => assert(getUserInput('index').match(/import\\s+\\{\\s?capitalizeString\\s?\\}\\s+from\\s+(\"|')string_functions\\1/g), 'valid <code>import</code> statement');"
         }
       ],
       "releasedOn": "Feb 17, 2017",