diff --git a/org.eclipse.emf.refactor.metrics.uml24.ocl/bin/org/eclipse/emf/refactor/metrics/uml24/umlop/NINPO.class b/org.eclipse.emf.refactor.metrics.uml24.ocl/bin/org/eclipse/emf/refactor/metrics/uml24/umlop/NINPO.class
index bd91b66..d5b4951 100644
--- a/org.eclipse.emf.refactor.metrics.uml24.ocl/bin/org/eclipse/emf/refactor/metrics/uml24/umlop/NINPO.class
+++ b/org.eclipse.emf.refactor.metrics.uml24.ocl/bin/org/eclipse/emf/refactor/metrics/uml24/umlop/NINPO.class
Binary files differ
diff --git a/org.eclipse.emf.refactor.metrics.uml24.ocl/src/org/eclipse/emf/refactor/metrics/uml24/umlop/NINPO.java b/org.eclipse.emf.refactor.metrics.uml24.ocl/src/org/eclipse/emf/refactor/metrics/uml24/umlop/NINPO.java
index 5bec048..5d081ec 100644
--- a/org.eclipse.emf.refactor.metrics.uml24.ocl/src/org/eclipse/emf/refactor/metrics/uml24/umlop/NINPO.java
+++ b/org.eclipse.emf.refactor.metrics.uml24.ocl/src/org/eclipse/emf/refactor/metrics/uml24/umlop/NINPO.java
@@ -10,7 +10,7 @@
 
 	private final String expression = 
 			"self.ownedParameter -> " +
-			"select(direction = uml::ParameterDirectionKind::in) " +
+			"select(direction = uml::ParameterDirectionKind::_in) " +
 			"-> size()";	
 	private List<EObject> context;