diff --git a/reclass/datatypes/exports.py b/reclass/datatypes/exports.py
index 52c5ef1..8471be2 100644
--- a/reclass/datatypes/exports.py
+++ b/reclass/datatypes/exports.py
@@ -71,7 +71,7 @@
         paths = {}
         path = DictPath(self._settings.delimiter)
         for i in mainpath.key_parts():
-            path = path.new_subpath(i)
+            path.add_subpath(i)
             if path in self._unrendered:
                 paths[path] = True
         for i in self._unrendered:
diff --git a/reclass/utils/dictpath.py b/reclass/utils/dictpath.py
index 8d9ee8b..aec6722 100644
--- a/reclass/utils/dictpath.py
+++ b/reclass/utils/dictpath.py
@@ -140,6 +140,9 @@
     def delete(self, base):
         del self._get_innermost_container(base)[self._get_key()]
 
+    def add_subpath(self, key):
+        self._parts.append(key)
+
     def is_ancestor_of(self, other):
         if len(other._parts) <= len(self._parts):
             return False