diff --git a/pynxtools/dataconverter/helpers.py b/pynxtools/dataconverter/helpers.py
index 8a6842788..377f4f12e 100644
--- a/pynxtools/dataconverter/helpers.py
+++ b/pynxtools/dataconverter/helpers.py
@@ -383,11 +383,14 @@ def is_valid_data_field(value, nxdl_type, path):
     return value
 
 
-def path_in_data_dict(nxdl_path: str, data: dict) -> Tuple[bool, str]:
+def path_in_data_dict(nxdl_path: str, hdf_path: str, data: dict) -> Tuple[bool, str]:
     """Checks if there is an accepted variation of path in the dictionary & returns the path."""
     accepted_unfilled_key = None
     for key in data.keys():
-        if nxdl_path == convert_data_converter_dict_to_nxdl_path(key):
+        if (
+            nxdl_path == convert_data_converter_dict_to_nxdl_path(key)
+            or convert_data_dict_path_to_hdf5_path(key) == hdf_path
+        ):
             if data[key] is None:
                 accepted_unfilled_key = key
                 continue
@@ -438,7 +441,12 @@ def all_required_children_are_set(optional_parent_path, data, nxdl_root):
         if (
             nxdl_key[0 : nxdl_key.rfind("/")] == optional_parent_path
             and is_node_required(nxdl_key, nxdl_root)
-            and data[path_in_data_dict(nxdl_key, data)[1]] is None
+            and data[
+                path_in_data_dict(
+                    nxdl_key, convert_data_dict_path_to_hdf5_path(key), data
+                )[1]
+            ]
+            is None
         ):
             return False
 
@@ -500,7 +508,9 @@ def ensure_all_required_fields_exist(template, data, nxdl_root, logger=pynx_logg
         if entry_name == "@units":
             continue
         nxdl_path = convert_data_converter_dict_to_nxdl_path(path)
-        is_path_in_data_dict, renamed_path = path_in_data_dict(nxdl_path, data)
+        is_path_in_data_dict, renamed_path = path_in_data_dict(
+            nxdl_path, convert_data_dict_path_to_hdf5_path(path), data
+        )
 
         renamed_path = path if renamed_path is None else renamed_path
         if path in template["lone_groups"]: