diff --git a/validphys2/src/validphys/filters.py b/validphys2/src/validphys/filters.py
index 84f2421f57..a34e9b2f70 100644
--- a/validphys2/src/validphys/filters.py
+++ b/validphys2/src/validphys/filters.py
@@ -645,11 +645,14 @@ def __call__(self, dataset, idat):
         # is different to the case where the rule does apply,
         # but the point was cut out by the rule.
         if (
-            dataset.setname != self.dataset
+            not (
+                dataset.setname == self.dataset
+                or
+                # for old rules, we might be using an old name of this dataset
+                (dataset.legacy_names is not None and self.dataset in dataset.legacy_names)
+            )
             and process_name != self.process_type
             and self.process_type != "DIS_ALL"
-            # for old rules, we might be using an old name of this dataset
-            and self.dataset not in dataset.legacy_names
         ):
             return None