diff -r 757e172c5c5d openide.loaders/src/org/openide/loaders/DataNode.java
--- a/openide.loaders/src/org/openide/loaders/DataNode.java	Thu Mar 31 17:13:52 2016 +0000
+++ b/openide.loaders/src/org/openide/loaders/DataNode.java	Fri Apr 01 15:35:10 2016 +0200
@@ -356,7 +356,7 @@
             Node n = l.lookup(Node.class);
             if (n != null) {
                 Node parentNode = n.getParentNode();
-                if (parentNode != null) {
+                if (parentNode != null && DataNode.isNodeForFolder(parentNode)) {
                     PasteType[] pts = parentNode.getPasteTypes(t);
                     PasteType[] updated = updateParentPasteTypes(pts);
                     return Arrays.asList(updated);
@@ -366,6 +366,34 @@
         return Collections.emptyList();
     }
 
+    /**
+     * Check whether a node represents a file-system folder.
+     * <p>
+     * Note: Simply checking type for FolderNode is not sufficient, as we need
+     * to support also FolderNodes wrapped in FilterNodes.
+     * </p>
+     *
+     * @param node Node to check.
+     * @return True if the node represents a folder, false otherwise.
+     */
+    private static boolean isNodeForFolder(Node node) {
+        Collection<? extends FileObject> fos = node.getLookup().lookupAll(FileObject.class);
+        if (fos.size() == 1) {
+            FileObject fo = fos.iterator().next();
+            if (fo.isFolder()) {
+                return true;
+            }
+        }
+        Collection<? extends DataObject> dos = node.getLookup().lookupAll(DataObject.class);
+        if (dos.size() == 1) {
+            DataObject dob = dos.iterator().next();
+            if (dob.getPrimaryFile().isFolder()) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     @NbBundle.Messages({
         "# Text appended to action name so that it is clear that the action",
         "# will be invoked on parent node. For example:",