diff --git a/src/View/DIFAdisTS/Table.py b/src/View/DIFAdisTS/Table.py
index b9b51c5d..df95fb7a 100644
--- a/src/View/DIFAdisTS/Table.py
+++ b/src/View/DIFAdisTS/Table.py
@@ -62,9 +62,12 @@ class ComboBoxDelegate(QItemDelegate):
         if self._mode == "rk":
             reach_id = self._ic_spec_lst[index.row()].reach
 
-            reach = next(filter(
-                lambda edge: edge.id == reach_id, self._data.edges()
-            ))
+            reach = next(
+                filter(
+                    lambda edge: edge.id == reach_id, self._data.edges()
+                ),
+                None
+            )
 
             if reach_id is not None:
                 val = list(