diff --git a/seed/challenges/01-front-end-development-certification/basic-javascript.json b/seed/challenges/01-front-end-development-certification/basic-javascript.json
index c024fef0ee..9a1c5dd9db 100644
--- a/seed/challenges/01-front-end-development-certification/basic-javascript.json
+++ b/seed/challenges/01-front-end-development-certification/basic-javascript.json
@@ -5040,7 +5040,7 @@
         }
       }
     },
-    
+
     {
       "id": "cf1111c1c11feddfaeb5bdef",
       "title": "Iterate with JavaScript For Loops",
@@ -5388,6 +5388,7 @@
         "assert.deepEqual(lookUpProfile(\"Sherlock\", \"likes\"), [\"Intriguing Cases\", \"Violin\"], 'message: <code>\"Sherlock\", \"likes\"</code> should return <code>[\"Intriguing Cases\", \"Violin\"]</code>');",
         "assert(typeof lookUpProfile(\"Harry\", \"likes\") === \"object\", 'message: <code>\"Harry\",\"likes\"</code> should return an array');",
         "assert(lookUpProfile(\"Bob\", \"number\") === \"No such contact\", 'message: <code>\"Bob\", \"number\"</code> should return \"No such contact\"');",
+        "assert(lookUpProfile(\"Bob\", \"potato\") === \"No such contact\", 'message: <code>\"Bob\", \"potato\"</code> should return \"No such contact\"');",
         "assert(lookUpProfile(\"Akira\", \"address\") === \"No such property\", 'message: <code>\"Akira\", \"address\"</code> should return \"No such property\"');"
       ],
       "type": "checkpoint",