diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 9a2b256a5c22..1c4929a41609 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -206,9 +206,9 @@ repos:
         files: '.*\.gni?$'
     -   id: meta-validate
         name: Validate METADATA files
-        entry: python tools/metadata/validate.py
+        entry: python -m tools.metadata.validate
         language: python
         additional_dependencies:
           - "protobuf"
         always_run: true
-        pass_filenames: true
+        pass_filenames: false
diff --git a/base/METADATA b/base/METADATA
index 6a30c572c567..1b6392c0d6c1 100644
--- a/base/METADATA
+++ b/base/METADATA
@@ -18,3 +18,4 @@ third_party {
     day: 23
   }
 }
+break this this too
diff --git a/tools/metadata/validate.py b/tools/metadata/validate.py
index f2e181a8d5a3..f8679a2de4f3 100644
--- a/tools/metadata/validate.py
+++ b/tools/metadata/validate.py
@@ -70,11 +70,11 @@ def update_proto():
 
 
 def filter_files(path):
-  if not path.endswith('/METADATA'):
+  if not path.endswith(os.path.sep + 'METADATA'):
     return False
-  if '.dist-info/' in path:
+  if '.dist-info' in path:
     return False  # Python packaging files
-  if 'skia/site' in path:
+  if os.path.join('skia', 'site') in path:
     return False  # Different upstream files
   return True