diff --git a/src/Mmi/Bundle/ChallengeBundle/Resources/Model/ChallengePeer.php b/src/Mmi/Bundle/ChallengeBundle/Resources/Model/ChallengePeer.php
index fa1bcd8..6ee81f8 100644
--- a/src/Mmi/Bundle/ChallengeBundle/Resources/Model/ChallengePeer.php
+++ b/src/Mmi/Bundle/ChallengeBundle/Resources/Model/ChallengePeer.php
@@ -55,7 +55,7 @@ class ChallengePeer
 
     public function isActiveChallenge(Challenge $challenge)
     {
-        $day = (int) date('d') === 12 ? 1 : 2;
+        $day = (int) date('d') === 15 ? 1 : 2;
         $hour = (int) date('H');
 
         return $challenge->getDay() === $day && $hour === $challenge->getHour();
@@ -63,7 +63,7 @@ class ChallengePeer
 
     public function isNextChallenge(Challenge $challenge)
     {
-        $day = (int) date('d') === 12 ? 1 : 2;
+        $day = (int) date('d') === 15 ? 1 : 2;
         $hour = (int) date('H');
 
         if  ($day < $challenge->getDay()) {