diff --git a/Editor/UniEyeControllerEditor.cs b/Editor/UniEyeControllerEditor.cs
index df46968..af1cbfa 100644
--- a/Editor/UniEyeControllerEditor.cs
+++ b/Editor/UniEyeControllerEditor.cs
@@ -131,7 +131,13 @@ public override void OnInspectorGUI()
                             break;
                         case EyeAssignMethod.Generic:
                             EditorExtensions.BeginErrorColor(_prefabForGenericAvatar.objectReferenceValue == null);
-                            EditorGUILayout.PropertyField(_prefabForGenericAvatar, new GUIContent("基準となるPrefab"));
+                            EditorGUI.BeginChangeCheck();
+                            // Scene上のGameObjectを指定させないためにObjectFieldを使う
+                            script.prefabForGenericAvatar = EditorGUILayout.ObjectField("基準となるPrefab", script.prefabForGenericAvatar, typeof(GameObject), false) as GameObject;
+                            if (EditorGUI.EndChangeCheck())
+                            {
+                                EditorUtility.SetDirty(script);
+                            }
                             EditorExtensions.EndErrorColor();
                             
                             GUILayout.BeginHorizontal();
diff --git a/Runtime/Timeline/LookAt/UniEyeLookAtMixer.cs b/Runtime/Timeline/LookAt/UniEyeLookAtMixer.cs
index 3c88eb8..c2e5b27 100644
--- a/Runtime/Timeline/LookAt/UniEyeLookAtMixer.cs
+++ b/Runtime/Timeline/LookAt/UniEyeLookAtMixer.cs
@@ -39,6 +39,8 @@ public override void ProcessFrame(Playable playable, FrameData info, object play
         {
             var controller = playerData as UniEyeController;
             if (controller == null) return;
+            if (!controller.gameObject.activeInHierarchy) return;
+            if (!controller.IsSettingValid) return;
 
             _process = controller.lookAtProcess;
             if (_process == null) return;
diff --git a/Runtime/UniEyeController.cs b/Runtime/UniEyeController.cs
index 7e76603..d19ae54 100644
--- a/Runtime/UniEyeController.cs
+++ b/Runtime/UniEyeController.cs
@@ -6,6 +6,7 @@
 using UniEyeController.Core.Process.Blink;
 using UniEyeController.Core.Process.LookAt;
 using UniEyeController.Core.Process.MicroMove;
+using UnityEditor;
 using UnityEngine;
 
 namespace UniEyeController
@@ -35,6 +36,20 @@ public partial class UniEyeController : MonoBehaviour
         public MicroMoveProcess microMoveProcess = new MicroMoveProcess();
         public BlinkProcess blinkProcess = new BlinkProcess();
 
+        public bool IsSettingValid
+        {
+            get
+            {
+                if (assignMethod == EyeAssignMethod.Generic && gameObject.scene == prefabForGenericAvatar.scene)
+                {
+                    Debug.LogError("GenericAvatarの初期状態参照用のPrefabはScene上のものを使用しないでください");
+                    return false;
+                }
+
+                return true;
+            }
+        }
+
         private void OnEnable()
         {
             Init();
@@ -42,6 +57,15 @@ private void OnEnable()
 
         public void Init()
         {
+            // TODO : 仮の対応
+            if (assignMethod == EyeAssignMethod.Generic && gameObject.scene == prefabForGenericAvatar.scene)
+            {
+                var prefab = PrefabUtility.GetCorrespondingObjectFromSource(gameObject);
+                prefabForGenericAvatar = prefab;
+            }
+            
+            if (!IsSettingValid) enabled = false;
+            
             GetRequiredComponents();
             ChangeEyeBones();
         }