diff --git a/BonDriver_BDA/BonTuner.cpp b/BonDriver_BDA/BonTuner.cpp
index e743296..4295ca0 100644
--- a/BonDriver_BDA/BonTuner.cpp
+++ b/BonDriver_BDA/BonTuner.cpp
@@ -208,7 +208,7 @@ CBonTuner::CBonTuner()
 	m_pDSFilterEnumTuner(NULL),
 	m_pDSFilterEnumCapture(NULL),
 	m_nDVBSystemType(eTunerTypeDVBS),
-	m_nNetworkProvider(eNetworkProviderGeneric),
+	m_nNetworkProvider(eNetworkProviderAuto),
 	m_nDefaultNetwork(1),
 	m_bOpened(FALSE),
 	m_dwTargetSpace(CBonTuner::SPACE_INVALID),
@@ -1458,7 +1458,7 @@ void CBonTuner::ReadIniFile(void)
 	//    3 .. Microsoft DVB-T Network Provider
 	//    4 .. Microsoft DVB-C Network Provider
 	//    5 .. Microsoft ATSC Network Provider
-	m_nNetworkProvider = (enumNetworkProvider)IniFileAccess.ReadKeyIValueMapSectionData(L"NetworkProvider", 1, mapNetworkProvider);
+	m_nNetworkProvider = (enumNetworkProvider)IniFileAccess.ReadKeyIValueMapSectionData(L"NetworkProvider", 0, mapNetworkProvider);
 
 	// 衛星受信パラメータ/変調方式パラメータのデフォルト値
 	//    1 .. SPHD
diff --git a/doc/BonDriver_BDA.sample.ini b/doc/BonDriver_BDA.sample.ini
index 6200584..cdf4043 100644
--- a/doc/BonDriver_BDA.sample.ini
+++ b/doc/BonDriver_BDA.sample.ini
@@ -438,7 +438,7 @@
 ;;;;    NetworkProvider
 ;;;;
 ; チューナーに使用するNetworkProvider
-;    0 又は "Legacy"                           .. 旧互換
+;    0 又は "Legacy"                           .. 自動
 ;    1 又は "Microsoft Network Provider"       .. Microsoft Network Provider
 ;    2 又は "Microsoft DVB-S Network Provider" .. Microsoft DVB-S Network Provider
 ;    3 又は "Microsoft DVB-T Network Provider" .. Microsoft DVB-T Network Provider
@@ -446,7 +446,7 @@
 ;    5 又は "Microsoft ATSC Network Provider"  .. Microsoft ATSC Network Provider
 ;
 ;   (デフォルト)
-;NetworkProvider="Microsoft Network Provider"
+;NetworkProvider="Legacy"
 ;
 ;
 ;;;;