diff --git a/NPLib/Core/NPOptionManager.cxx b/NPLib/Core/NPOptionManager.cxx
index 1ab20e1e600d34e50f9c9da9b357db62fcbda88a..5ba61efb98563ccbaac05dea10ebc5cbf5d9818d 100644
--- a/NPLib/Core/NPOptionManager.cxx
+++ b/NPLib/Core/NPOptionManager.cxx
@@ -143,7 +143,8 @@ void NPOptionManager::ReadTheInputArgument(int argc, char** argv){
     //else ;
   }
   CheckArguments();
-  DisplayVersion();
+  if(argc!=0)
+    DisplayVersion();
 }
 ////////////////////////////////////////////////////////////////////////////////
 void NPOptionManager::DisplayVersion(){