diff --git a/include/tclap/CmdLine.h b/include/tclap/CmdLine.h
index 0557485..cfbcf7a 100644
--- a/include/tclap/CmdLine.h
+++ b/include/tclap/CmdLine.h
@@ -341,7 +341,7 @@ inline void CmdLine::_constructor()
 		deleteOnExit(v);
 	
 		v = new VersionVisitor( this, &_output );
-		SwitchArg* vers = new SwitchArg("v","version", 
+		SwitchArg* vers = new SwitchArg("","version", 
 					"Displays version information and exits.", 
 					false, v);
 		add( vers );