diff --git a/bridgesupport.cpp b/bridgesupport.cpp
index 27a76cdf3..a836e7963 100644
--- a/bridgesupport.cpp
+++ b/bridgesupport.cpp
@@ -1033,6 +1033,9 @@ rb_pointer_to_obj(VALUE rcv, SEL sel)
     Data_Get_Struct(rcv, rb_vm_pointer_t, ptr);
 
     check_no_magic_cookie(ptr);
+    if (ptr->len != 0) {
+	rb_raise(rb_eRuntimeError, "This method is not support to call with the object which is created by Pointer.new");
+    }
     return (VALUE)ptr->val;
 }