diff --git a/coworker/connectors/email_tools.py b/coworker/connectors/email_tools.py
index 3682b1da..7be4e1f9 100644
--- a/coworker/connectors/email_tools.py
+++ b/coworker/connectors/email_tools.py
@@ -555,7 +555,7 @@ def email_download_attachment(
                     while target.exists():
                         target = (
                             scratch.path
-                            / f"{target.stem.rstrip('-0123456789') or 'attachment'}-{counter}{target.suffix}"
+                            / f"{re.sub(r'-[0-9]+$', '', target.stem) or 'attachment'}-{counter}{target.suffix}"
                         )
                         counter += 1
                     target.write_bytes(payload)