diff --git a/Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBone.cs b/Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBone.cs
index e72f8e657..f87ea8048 100644
--- a/Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBone.cs
+++ b/Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBone.cs
@@ -31,9 +31,6 @@ namespace UniVRM10
         [SerializeField]
         public List<VRM10SpringBoneColliderGroup> ColliderGroups = new List<VRM10SpringBoneColliderGroup>();
 
-        [SerializeField]
-        public Transform m_center;
-
         [ContextMenu("Reset bones")]
         public void ResetJoints()
         {
@@ -46,9 +43,12 @@ namespace UniVRM10
             }
         }
 
+        Transform m_center;
+
         List<SpringBoneLogic.InternalCollider> m_colliderList = new List<SpringBoneLogic.InternalCollider>();
-        public void Process()
+        public void Process(Transform center)
         {
+            m_center = center;
             if (Joints == null)
             {
                 return;
@@ -96,10 +96,10 @@ namespace UniVRM10
                 VRM10SpringJoint lastJoint = Joints.FirstOrDefault(x => x != null);
                 foreach (var joint in Joints.Where(x => x != null).Skip(1))
                 {
-                    lastJoint.Update(m_center, Time.deltaTime, m_colliderList, joint);
+                    lastJoint.Update(center, Time.deltaTime, m_colliderList, joint);
                     lastJoint = joint;
                 }
-                lastJoint.Update(m_center, Time.deltaTime, m_colliderList, null);
+                lastJoint.Update(center, Time.deltaTime, m_colliderList, null);
             }
         }
 
diff --git a/Assets/VRM10/Runtime/Components/VRM10Controller.cs b/Assets/VRM10/Runtime/Components/VRM10Controller.cs
index 631a89290..bc4be32e0 100644
--- a/Assets/VRM10/Runtime/Components/VRM10Controller.cs
+++ b/Assets/VRM10/Runtime/Components/VRM10Controller.cs
@@ -27,6 +27,9 @@ namespace UniVRM10
 
             [SerializeField, Header("UpdateSetting")]
             public UpdateTypes UpdateType = UpdateTypes.LateUpdate;
+
+            [SerializeField, Header("SpringBone")]
+            public Transform SpringBoneCenter;
         }
 
         [SerializeField]
@@ -128,7 +131,7 @@ namespace UniVRM10
             }
             foreach (var spring in m_springs)
             {
-                spring.Process();
+                spring.Process(Controller.SpringBoneCenter);
             }
 
             //