diff --git a/src/Suffixed/Direction.cs b/src/Suffixed/Direction.cs
index d2689eb1d..edc2385b7 100644
--- a/src/Suffixed/Direction.cs
+++ b/src/Suffixed/Direction.cs
@@ -18,6 +18,7 @@ public Direction(Quaternion q)
         {
             rotation = q;
             euler = q.eulerAngles;
+            vector = rotation * Vector3d.forward;
         }
 
         public Direction(Vector3d v3D, bool isEuler)
@@ -37,7 +38,7 @@ public Vector3d Vector
             get { return vector; }
             set
             {
-                vector = value;
+                vector = value.normalized;
                 rotation = Quaternion.LookRotation(value);
                 euler = rotation.eulerAngles;
             }
@@ -50,6 +51,7 @@ public Vector3d Euler
             {
                 euler = value;
                 rotation = Quaternion.Euler(value);
+                vector = rotation * Vector3d.forward;
             }
         }
 
@@ -60,6 +62,7 @@ public Quaternion Rotation
             {
                 rotation = value;
                 euler = value.eulerAngles;
+                vector = rotation * Vector3d.forward;
             }
         }