diff --git a/NPSimulation/Detectors/Tiara/Tiara.cc b/NPSimulation/Detectors/Tiara/Tiara.cc
index ee2ffa8df8eec207aac96e0de232ce18601bb047..0811b04426f20491980454b81f1f54a0184de005 100644
--- a/NPSimulation/Detectors/Tiara/Tiara.cc
+++ b/NPSimulation/Detectors/Tiara/Tiara.cc
@@ -117,8 +117,8 @@ void Tiara::ReadConfiguration(NPL::InputParser parser){
 
   blocks.clear();
 //by Shuya 180426
-  //blocks = parser.GetAllBlocksWithToken("TiaraHyballWedge");
-  blocks = parser.GetAllBlocksWithToken("HyballWedge");
+  blocks = parser.GetAllBlocksWithToken("TiaraHyballWedge");
+  //blocks = parser.GetAllBlocksWithToken("HyballWedge");
 
   if(NPOptionManager::getInstance()->GetVerboseLevel())
     cout << "//// " << blocks.size() << " detectors found " << endl;