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 ab3140d81b0..495f1c66303 100644
--- a/seed/challenges/01-front-end-development-certification/basic-javascript.json
+++ b/seed/challenges/01-front-end-development-certification/basic-javascript.json
@@ -316,7 +316,8 @@
       ],
       "tests": [
         "assert(difference === 12, 'message: Make the variable <code>difference</code> equal 12.');",
-        "assert(/\\d+\\s*-\\s*\\d+/.test(code),'message: User the <code>-</code> operator');"
+        "assert((code).match(/difference/g).length === 1,'message: Only change the first line');",
+        "assert(/\\d+\\s*-\\s*\\d+/.test(code),'message: Use the <code>-</code> operator');"
       ],
       "type": "waypoint",
       "challengeType": "1"