diff --git a/spacy/matcher/phrasematcher.pyi b/spacy/matcher/phrasematcher.pyi
index 68e3386e4..bd22677e8 100644
--- a/spacy/matcher/phrasematcher.pyi
+++ b/spacy/matcher/phrasematcher.pyi
@@ -6,7 +6,7 @@ from ..tokens import Doc, Span
 
 class PhraseMatcher:
     def __init__(
-        self, vocab: Vocab, attr: Optional[Union[int, str]], validate: bool = ...
+        self, vocab: Vocab, attr: Optional[Union[int, str]] = ..., validate: bool = ...
     ) -> None: ...
     def __reduce__(self) -> Any: ...
     def __len__(self) -> int: ...