diff --git a/Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBoneJoint.cs b/Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBoneJoint.cs
index 5a18457a4..d1e41e39d 100644
--- a/Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBoneJoint.cs
+++ b/Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBoneJoint.cs
@@ -51,7 +51,7 @@ namespace UniVRM10
             angleLimitOffset: m_angleLimitRotation
             );
 
-        void Oalidate()
+        void OnValidate()
         {
             if (m_angleLimitRotation == default)
             {