diff --git a/Editor/WorldFixedObjectProcessor.cs b/Editor/WorldFixedObjectProcessor.cs
index 85e4464c..e022eb9e 100644
--- a/Editor/WorldFixedObjectProcessor.cs
+++ b/Editor/WorldFixedObjectProcessor.cs
@@ -86,6 +86,20 @@ namespace nadena.dev.modular_avatar.core.editor
             obj.transform.localRotation = Quaternion.identity;
             obj.transform.localScale = Vector3.one;
 
+#if MA_VRCSDK3_AVATARS_3_7_0_OR_NEWER
+            var constraint = obj.AddComponent(
+                System.Type.GetType("VRC.SDK3.Dynamics.Constraint.Components.VRCParentConstraint, VRC.SDK3.Dynamics.Constraint")
+            ) as VRC.Dynamics.ManagedTypes.VRCParentConstraintBase;
+            constraint.IsActive = true;
+            constraint.Locked = true;
+            constraint.AffectsPositionX = true;
+            constraint.AffectsPositionY = true;
+            constraint.AffectsPositionZ = true;
+            constraint.AffectsRotationX = true;
+            constraint.AffectsRotationY = true;
+            constraint.AffectsRotationZ = true;
+            constraint.FreezeToWorld = true;
+#else
             var constraint = obj.AddComponent<ParentConstraint>();
             constraint.AddSource(new ConstraintSource()
             {
@@ -96,6 +110,7 @@ namespace nadena.dev.modular_avatar.core.editor
             constraint.locked = true;
             constraint.rotationOffsets = new[] {Vector3.zero};
             constraint.translationOffsets = new[] {Vector3.zero};
+#endif
 
             _proxy = obj.transform;