diff --git a/spacy/lexeme.pxd b/spacy/lexeme.pxd
index c99b6912a..8dea0d6a2 100644
--- a/spacy/lexeme.pxd
+++ b/spacy/lexeme.pxd
@@ -18,11 +18,12 @@ cdef class Lexeme:
     cdef readonly attr_t orth
 
     @staticmethod
-    cdef inline Lexeme from_ptr(LexemeC* lex, Vocab vocab, int vector_length):
+    cdef inline Lexeme from_ptr(LexemeC* lex, Vocab vocab):
         cdef Lexeme self = Lexeme.__new__(Lexeme, vocab, lex.orth)
         self.c = lex
         self.vocab = vocab
         self.orth = lex.orth
+        return self
 
     @staticmethod
     cdef inline void set_struct_attr(LexemeC* lex, attr_id_t name, attr_t value) nogil: