diff --git a/spacy/structs.pxd b/spacy/structs.pxd
index 3c60cd87f..cfcadc3d0 100644
--- a/spacy/structs.pxd
+++ b/spacy/structs.pxd
@@ -61,13 +61,13 @@ cdef struct TokenC:
     attr_t sense
     int head
     attr_t dep
-    bint sent_start
 
     uint32_t l_kids
     uint32_t r_kids
     uint32_t l_edge
     uint32_t r_edge
 
+    int sent_start
     int ent_iob
     attr_t ent_type # TODO: Is there a better way to do this? Multiple sources of truth..
     hash_t ent_id