diff --git a/adafruit_ble/advertising/__init__.py b/adafruit_ble/advertising/__init__.py
index bf2060b..a5d681a 100644
--- a/adafruit_ble/advertising/__init__.py
+++ b/adafruit_ble/advertising/__init__.py
@@ -326,7 +326,7 @@ def matches_prefixes(cls, entry: ScanEntry, *, all_: bool) -> bool:
         returns ``True`` if at least one of the prefixes match.
         """
         # Returns True if cls.get_prefix_bytes() is empty.
-        return entry.matches(cls.get_prefix_bytes(), all=all_)
+        return entry.matches(cls.get_prefix_bytes(), match_all=all_)
 
     def __bytes__(self) -> bytes:
         """The raw packet bytes."""