diff --git a/seed/challenges/01-responsive-web-design/basic-css.json b/seed/challenges/01-responsive-web-design/basic-css.json
index 11555cb61bd..1ac57ac053a 100644
--- a/seed/challenges/01-responsive-web-design/basic-css.json
+++ b/seed/challenges/01-responsive-web-design/basic-css.json
@@ -2312,7 +2312,8 @@
"assert($(\".green-box\").css(\"padding-top\") === \"40px\", 'message: Your green-box class should give the top of elements 40px of padding.');",
"assert($(\".green-box\").css(\"padding-right\") === \"20px\", 'message: Your green-box class should give the right of elements 20px of padding.');",
"assert($(\".green-box\").css(\"padding-bottom\") === \"20px\", 'message: Your green-box class should give the bottom of elements 20px of padding.');",
- "assert($(\".green-box\").css(\"padding-left\") === \"40px\", 'message: Your green-box class should give the left of elements 40px of padding.');"
+ "assert($(\".green-box\").css(\"padding-left\") === \"40px\", 'message: Your green-box class should give the left of elements 40px of padding.');",
+ "assert(!/padding-top|padding-right|padding-bottom|padding-left/.test(code), 'message: You should use the clockwise notation to set the padding of green-box class.');"
],
"type": "waypoint",
"challengeType": 0,