diff --git a/trunk/ConsoleDataMigration/ConsoleRestore/NtpClient.cpp b/trunk/ConsoleDataMigration/ConsoleRestore/NtpClient.cpp
index 86db382..b92462b 100644
--- a/trunk/ConsoleDataMigration/ConsoleRestore/NtpClient.cpp
+++ b/trunk/ConsoleDataMigration/ConsoleRestore/NtpClient.cpp
@@ -290,6 +290,12 @@ void RestoreCurrentInternetSetting()
         result = nn::ac::CTR::UpdateNetworkSetting(0, GetTempNetworkSetting()->setting);
         COMMON_LOGGER_RESULT_IF_FAILED(result);
     }
+    else
+    {
+        // 無効の場合は消去しておく
+        result = nn::ac::CTR::RemoveNetworkSetting(0);
+        COMMON_LOGGER_RESULT_IF_FAILED(result);
+    }
 
     result = nn::ac::FlushNetworkSetting();
     COMMON_LOGGER_RESULT_IF_FAILED(result);