diff --git a/trunk/ConsoleDataMigration/sources/ConsoleRestore/PreinstallImporter.cpp b/trunk/ConsoleDataMigration/sources/ConsoleRestore/PreinstallImporter.cpp
index 0c895c2..3626349 100644
--- a/trunk/ConsoleDataMigration/sources/ConsoleRestore/PreinstallImporter.cpp
+++ b/trunk/ConsoleDataMigration/sources/ConsoleRestore/PreinstallImporter.cpp
@@ -48,6 +48,7 @@ nn::Result PreinstallImporter::ListTitles(nn::ProgramId* list, size_t* num, bit6
         return comm.GetLastResult();
     }
 
+    // 通信結果をパースしてタイトルリストを作成する
     NN_UTIL_RETURN_IF_FAILED(
             GetHtmlBodyAndParseXmlData(comm, list, num)
             );
@@ -164,6 +165,7 @@ void PreinstallImporter::SplitTextAndSetupList(nn::ProgramId* list, size_t* num,
     const char* token = ",";
     char* cutout;
 
+    *num = 0;
     cutout = std::strtok(text, token);
     if(!cutout)
     {