diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
index 3413ee5d0227..03f5ad262eb5 100755
--- a/tools/perf/pmu-events/jevents.py
+++ b/tools/perf/pmu-events/jevents.py
@@ -640,7 +640,7 @@ def preprocess_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
   if not item.is_file() or not item.name.endswith('.json'):
     return
 
-  if item.name == 'metricgroups.json':
+  if item.name.endswith('metricgroups.json'):
     metricgroup_descriptions = json.load(open(item.path))
     for mgroup in metricgroup_descriptions:
       assert len(mgroup) > 1, parents
@@ -693,7 +693,7 @@ def process_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
 
   # Ignore other directories. If the file name does not have a .json
   # extension, ignore it. It could be a readme.txt for instance.
-  if not item.is_file() or not item.name.endswith('.json') or item.name == 'metricgroups.json':
+  if not item.is_file() or not item.name.endswith('.json') or item.name.endswith('metricgroups.json'):
     return
 
   add_events_table_entries(item, get_topic(item.name))