diff --git a/plugins/org.eclipse.uml2.uml/META-INF/MANIFEST.MF b/plugins/org.eclipse.uml2.uml/META-INF/MANIFEST.MF
index e721e38..d8fef68 100644
--- a/plugins/org.eclipse.uml2.uml/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.uml2.uml/META-INF/MANIFEST.MF
@@ -20,7 +20,7 @@
  org.eclipse.emf.ecore.xmi;visibility:=reexport,
  org.eclipse.uml2.common;visibility:=reexport,
  org.eclipse.uml2.types;visibility:=reexport,
- org.eclipse.emf.mapping.ecore2xml,
+ org.eclipse.emf.mapping.ecore2xml;visibility:=reexport,
  org.eclipse.emf.validation;resolution:=optional;visibility:=reexport
 Eclipse-LazyStart: true
 Bundle-ActivationPolicy: lazy