Index: /trunk/src/org/openstreetmap/josm/actions/UpdateSelectionAction.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/actions/UpdateSelectionAction.java	(revision 11642)
+++ /trunk/src/org/openstreetmap/josm/actions/UpdateSelectionAction.java	(revision 11643)
@@ -73,5 +73,5 @@
     public static void updatePrimitive(PrimitiveId id) {
         ensureParameterNotNull(id, "id");
-        updatePrimitives(Collections.singleton(Optional.ofNullable(Optional.ofNullable(
+        updatePrimitives(Collections.<OsmPrimitive>singleton(Optional.ofNullable(Optional.ofNullable(
                 Main.getLayerManager().getEditLayer()).orElseThrow(
                         () -> new IllegalStateException(tr("No current dataset found")))