diff --git a/spacy/attrs.pxd b/spacy/attrs.pxd
index 74397fa64..79a177ba9 100644
--- a/spacy/attrs.pxd
+++ b/spacy/attrs.pxd
@@ -18,9 +18,9 @@ cdef enum attr_id_t:
     IS_QUOTE
     IS_LEFT_PUNCT
     IS_RIGHT_PUNCT
+    IS_CURRENCY
 
-    FLAG18 = 18
-    FLAG19
+    FLAG19 = 19
     FLAG20
     FLAG21
     FLAG22