diff --git a/notifications_utils/logging.py b/notifications_utils/logging.py
index a78d3dd75..f2ed80e71 100644
--- a/notifications_utils/logging.py
+++ b/notifications_utils/logging.py
@@ -18,12 +18,14 @@ TIME_FORMAT = "%Y-%m-%dT%H:%M:%S"
 
 logger = logging.getLogger(__name__)
 
+_phone_regex = re.compile("(?:\\+ *)?\\d[\\d\\- ]{7,}\\d")
+
 
 def _scrub(msg: Any) -> Any:
     # Sometimes just an exception object is passed in for the message, skip those.
     if not isinstance(msg, str):
         return msg
-    phones = re.findall("(?:\\+ *)?\\d[\\d\\- ]{7,}\\d", msg)
+    phones = _phone_regex.findall(msg)
     phones = [phone.replace("-", "").replace(" ", "") for phone in phones]
     for phone in phones:
         msg = msg.replace(phone, "1XXXXXXXXXX")