diff --git a/src/entity-py.cc b/src/entity-py.cc
index 325e3e7ac2ea4dbdb3ea138851be4203d06aa0cb..9dea0ed85a688a400ee813d6681d16e23e431b9c 100644
--- a/src/entity-py.cc
+++ b/src/entity-py.cc
@@ -450,6 +450,8 @@ namespace dynamicgraph {
 	      break;
 	    case 3: entity->setLoggerVerbosityLevel(VERBOSITY_ERROR);
 	      break;
+	    case 4:  entity->setLoggerVerbosityLevel(VERBOSITY_NONE);
+	      break;
 	    default: entity->setLoggerVerbosityLevel(VERBOSITY_NONE);
 	      break;
 	    }