diff --git a/trunk/ConsoleDataMigration/sources/ConsoleRestore/Importer.cpp b/trunk/ConsoleDataMigration/sources/ConsoleRestore/Importer.cpp
index 6ee3cc8..48c7aca 100644
--- a/trunk/ConsoleDataMigration/sources/ConsoleRestore/Importer.cpp
+++ b/trunk/ConsoleDataMigration/sources/ConsoleRestore/Importer.cpp
@@ -35,6 +35,7 @@
 #include <nn/mcu.h>
 #include <nn/drivers/mcu/CTR/driverMcuRegisterMap.h>
 #include <nn/ndm.h>
+#include <nn/crypto/crypto_AesCmac.h>
 
 #include "FileName.h"
 #include "Importer.h"
@@ -1843,6 +1844,17 @@ nn::Result ReadFileList(SdFileSize* sdFiles, common::ImportDataList* fileList)
         file.Finalize();
     }
 
+    // 初期化状態の場合は空
+    if(fileSize == nn::crypto::AES_CMAC_MAC_SIZE)
+    {
+        sdFiles->ctrFileSize = 0;
+        sdFiles->totalFileSize = 0;
+        sdFiles->twlFileSize = 0;
+        sdFiles->twlPhotoFileSize = 0;
+        sdFiles->twlSoundFileSize = 0;
+        return nn::ResultSuccess();
+    }
+
     common::HeapManager heap(fileSize);
     void* buf = heap.GetAddr();
     if(buf != NULL)