1 files changed, 6 insertions, 3 deletions
diff --git a/plugins/infra/nattable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/provider/ActionHeaderLabelProvider.java b/plugins/infra/nattable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/provider/ActionHeaderLabelProvider.java
index a4e92150c26..bc425528038 100755
--- a/plugins/infra/nattable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/provider/ActionHeaderLabelProvider.java
+++ b/plugins/infra/nattable/org.eclipse.papyrus.infra.nattable/src/org/eclipse/papyrus/infra/nattable/provider/ActionHeaderLabelProvider.java
@@ -38,9 +38,12 @@ public class ActionHeaderLabelProvider extends AbstractNattableCellLabelProvider
 	 */
 	@Override
 	public boolean accept(Object element) {
-		final ILabelProviderCellContextElementWrapper contextElement = (ILabelProviderCellContextElementWrapper) element;
-		final Object value = contextElement.getObject();
-		return ActionUtils.isAction(value);
+		if (element instanceof ILabelProviderContextElementWrapper) {
+			final ILabelProviderContextElementWrapper contextElement = (ILabelProviderContextElementWrapper) element;
+			final Object value = getWrappedValue(contextElement);
+			return ActionUtils.isAction(value);
+		}
+		return false;
 	}
 
 	/**