diff --git a/src/caoscrawler/sync_graph.py b/src/caoscrawler/sync_graph.py
index 3bf704c37455bb8a711c1bd45b7a82f67c65fb35..dd6bcfaa65ea70f5aeb7b7fbbfb853c033c7ad88 100644
--- a/src/caoscrawler/sync_graph.py
+++ b/src/caoscrawler/sync_graph.py
@@ -150,7 +150,7 @@ class SyncGraph():
             self.backward_id_referenced_by,
         ) = self._create_reference_mapping(self.nodes)
 
-        # self._mark_entities_with_path_or_id()
+        self._mark_entities_with_path_or_id()
 
     def set_id_of_node(self, se: SyncNode, node_id: Optional[str]):
         """sets the ID attribute of the given SyncNode. If node_id is None, a negative Id will be
@@ -407,37 +407,35 @@ class SyncGraph():
     def _mark_entities_with_path_or_id(self):
         """ A path or an ID is sufficiently identifying. Thus, those entities can be marked as
         checked """
-        for semantic_entity in list(self.nodes[::-1]):
-            assert len(semantic_entity.fragments) == 1
-            entity = semantic_entity.fragments[0]
-            if entity.id is None and entity.path is None:
+        for node in list(self.nodes[::-1]):
+            if node.id is None and node.path is None:
                 continue
-            if entity.path is not None:
+            if node.path is not None:
                 try:
-                    existing = cached_get_entity_by(path=entity.path)
+                    existing = cached_get_entity_by(path=node.path)
                 except EmptyUniqueQueryError:
                     existing = None
                 if existing is not None:
-                    semantic_entity.identify_with(existing)
+                    node.identify_with(existing)
 
-            # at this point, semantic_entity has an ID if it is existing
-            treated_before = self.get_equivalent(semantic_entity)
+            # at this point, node has an ID if it is existing
+            treated_before = self.get_equivalent(node)
             if treated_before is None:
-                if semantic_entity.id is None or semantic_entity.id < 0:
-                    self.set_missing(semantic_entity)
+                if node.id is None or node.id < 0:
+                    self.set_missing(node)
                 else:
-                    self.set_existing(semantic_entity)
+                    self.set_existing(node)
             else:
-                self._merge_into(semantic_entity, treated_before)
+                self._merge_into(node, treated_before)
 
     def _remove_non_identifiables(self):
         """ A path or an ID is sufficiently identifying. Thus, those entities can be marked as
         checked """
-        for semantic_entity in list(self.nodes[::-1]):
+        for node in list(self.nodes[::-1]):
             if "nonidentifiable" in [p.name for p in
-                                     semantic_entity.registered_identifiable.properties]:
+                                     node.registered_identifiable.properties]:
 
-                self.unchecked.remove(semantic_entity)
+                self.unchecked.remove(node)
 
     def _add_any(self, entity: SyncNode, lookup):
         """Add ``entity`` to this SemanticTarget and store in ``lookup`` cache.