diff --git a/stapler/handlers.py b/stapler/handlers.py
index dbedbdf..234a98e 100644
--- a/stapler/handlers.py
+++ b/stapler/handlers.py
@@ -25,6 +25,8 @@ if typing.TYPE_CHECKING:
 
 
 class BaseHandler(abc.ABC, http.server.BaseHTTPRequestHandler):
+    SANITIZE_REGEX = re.compile(r"[^\x20-\x7F]+")
+
     @typing.override
     def __init__(
         self,
@@ -77,7 +79,7 @@ class BaseHandler(abc.ABC, http.server.BaseHTTPRequestHandler):
 
     @typing.override
     def address_string(self) -> str:  # pragma: no cover
-        return re.sub(r"[^\x00-\x7F]+", "", super().address_string())
+        return self.SANITIZE_REGEX.sub("?", super().address_string())
 
     @typing.override
     def log_message(self, format: str, *args: typing.Any) -> None:  # pragma: no cover
@@ -108,7 +110,7 @@ class BaseHandler(abc.ABC, http.server.BaseHTTPRequestHandler):
             code,
             self.address_string(),
             self.host,
-            re.sub(r"[^\x00-\x7F]+", "?", self.requestline),
+            self.SANITIZE_REGEX.sub("?", self.requestline),
         )
         fmt = "→ %s - %s - %s - %s"
         if size != "":
@@ -238,7 +240,7 @@ class BaseHandler(abc.ABC, http.server.BaseHTTPRequestHandler):
             "...",
             self.address_string(),
             self.host,
-            re.sub(r"[^\x00-\x7F]+", "?", self.requestline),
+            self.SANITIZE_REGEX.sub("?", self.requestline),
         )
         fmt = "← %s - %s - %s - %s"
         if self.in_size > 0: