diff --git a/src/Models/Game.php b/src/Models/Game.php
index cc36308..8cfbfd8 100644
--- a/src/Models/Game.php
+++ b/src/Models/Game.php
@@ -43,8 +43,8 @@ class Game
     private $hits;
 
     /** 
-     * @ORM\Column
-     * @var Total score
+     * @ORM\Column(type="float")
+     * @var float Total score
      */
     private $score;
 
diff --git a/src/Models/Target.php b/src/Models/Target.php
index ab9ff46..7d47861 100644
--- a/src/Models/Target.php
+++ b/src/Models/Target.php
@@ -10,6 +10,7 @@ use Doctrine\Common\Collections\ArrayCollection;
  * Users
  *
  * @ORM\Table(name="targets",uniqueConstraints={
+ *      @ORM\UniqueConstraint(name="level_position", columns={"level_id", "position"})})
  *     })
  * @ORM\Entity
  */