diff --git a/editor/inspector/editor_resource_picker.cpp b/editor/inspector/editor_resource_picker.cpp
index 078a07a128..0e0ad0f99b 100644
--- a/editor/inspector/editor_resource_picker.cpp
+++ b/editor/inspector/editor_resource_picker.cpp
@@ -1408,17 +1408,17 @@ bool EditorResourcePicker::_is_uniqueness_enabled(bool p_check_recursive) {
 	}
 	Ref<Resource> parent_resource = _has_parent_resource();
 	EditorNode *en = EditorNode::get_singleton();
-	bool internal_to_scene = edited_resource->is_built_in();
+	bool internal_to_scene = en->is_resource_internal_to_scene(edited_resource);
 	List<Node *> node_list = en->get_editor_selection()->get_full_selected_node_list();
 
 	// Todo: Implement a more elegant solution for multiple selected Nodes. This should suffice for the time being.
 	if (node_list.size() > 1 && !p_check_recursive) {
-		return node_list.size() != EditorNode::get_singleton()->get_resource_count(edited_resource) || !internal_to_scene;
+		return node_list.size() != en->get_resource_count(edited_resource) || !internal_to_scene;
 	}
 
 	if (!internal_to_scene) {
-		if (parent_resource.is_valid() && parent_resource->is_built_in() && (!EditorNode::get_singleton()->is_resource_internal_to_scene(parent_resource) || en->get_resource_count(parent_resource) > 1)) {
-			return false;
+		if (parent_resource.is_valid() && (!en->is_resource_internal_to_scene(parent_resource) || en->get_resource_count(parent_resource) > 1)) {
+			return !parent_resource->is_built_in();
 		} else if (!p_check_recursive) {
 			return true;
 		}