diff --git a/Sources/Model/Dice/AbstractDie.cs b/Sources/Model/Dice/AbstractDie.cs
index 7f35fad..bc0b8c7 100644
--- a/Sources/Model/Dice/AbstractDie.cs
+++ b/Sources/Model/Dice/AbstractDie.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using Model.Dice.Faces;
 
 namespace Model.Dice
 {
diff --git a/Sources/Model/Dice/NumberDie.cs b/Sources/Model/Dice/NumberDie.cs
index e58bd13..08df177 100644
--- a/Sources/Model/Dice/NumberDie.cs
+++ b/Sources/Model/Dice/NumberDie.cs
@@ -1,4 +1,5 @@
-using System;
+using Model.Dice.Faces;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;