diff --git a/pyro/Anonymizer.py b/pyro/Anonymizer.py
index 0137a4e2..08b0ad7c 100644
--- a/pyro/Anonymizer.py
+++ b/pyro/Anonymizer.py
@@ -30,6 +30,10 @@ def anonymize_script(path: str) -> None:
         user_name: str = header.user_name.value
         computer_name: str = header.computer_name.value
 
+        if '.' not in file_path:
+            Anonymizer.log.warning(f'Cannot anonymize script again: "{path}"')
+            return
+
         if not file_path.casefold().endswith('.psc'):
             Anonymizer.log.warning(f'Cannot anonymize script due to invalid file extension: "{path}"')
             return