diff --git a/Runtime/UXComponent/Selectable/UXSelectable.cs b/Runtime/UXComponent/Selectable/UXSelectable.cs
index 5e70536..a30ad55 100644
--- a/Runtime/UXComponent/Selectable/UXSelectable.cs
+++ b/Runtime/UXComponent/Selectable/UXSelectable.cs
@@ -453,7 +453,7 @@ namespace UnityEngine.UI
         public virtual UXSelectable FindSelectableOnLeft()
         {
             if (m_Navigation.mode == UXNavigation.Mode.Explicit)
-                if (m_Navigation.selectOnLeft.IsInteractable() && m_Navigation.mode != UXNavigation.Mode.None)
+                if (m_Navigation.selectOnLeft != null && m_Navigation.selectOnLeft.IsInteractable() && m_Navigation.mode != UXNavigation.Mode.None)
                     return m_Navigation.selectOnLeft;
 
             if ((m_Navigation.mode & UXNavigation.Mode.Horizontal) != 0)
@@ -464,7 +464,7 @@ namespace UnityEngine.UI
         public virtual UXSelectable FindSelectableOnRight()
         {
             if (m_Navigation.mode == UXNavigation.Mode.Explicit)
-                if (m_Navigation.selectOnRight.IsInteractable() && m_Navigation.mode != UXNavigation.Mode.None)
+                if (m_Navigation.selectOnRight != null && m_Navigation.selectOnRight.IsInteractable() && m_Navigation.mode != UXNavigation.Mode.None)
                     return m_Navigation.selectOnRight;
             if ((m_Navigation.mode & UXNavigation.Mode.Horizontal) != 0)
                 return FindSelectable(transform.rotation * Vector3.right);
@@ -474,7 +474,7 @@ namespace UnityEngine.UI
         public virtual UXSelectable FindSelectableOnUp()
         {
             if (m_Navigation.mode == UXNavigation.Mode.Explicit)
-                if (m_Navigation.selectOnUp.IsInteractable() && m_Navigation.mode != UXNavigation.Mode.None)
+                if (m_Navigation.selectOnUp != null && m_Navigation.selectOnUp.IsInteractable() && m_Navigation.mode != UXNavigation.Mode.None)
                     return m_Navigation.selectOnUp;
             if ((m_Navigation.mode & UXNavigation.Mode.Vertical) != 0)
                 return FindSelectable(transform.rotation * Vector3.up);
@@ -484,7 +484,7 @@ namespace UnityEngine.UI
         public virtual UXSelectable FindSelectableOnDown()
         {
             if (m_Navigation.mode == UXNavigation.Mode.Explicit)
-                if (m_Navigation.selectOnDown.IsInteractable() && m_Navigation.mode != UXNavigation.Mode.None)
+                if (m_Navigation.selectOnDown != null && m_Navigation.selectOnDown.IsInteractable() && m_Navigation.mode != UXNavigation.Mode.None)
                     return m_Navigation.selectOnDown;
             if ((m_Navigation.mode & UXNavigation.Mode.Vertical) != 0)
                 return FindSelectable(transform.rotation * Vector3.down);