diff --git a/spacy/tokens/doc.pyx b/spacy/tokens/doc.pyx
index 8ce2c7fe4..30be63608 100644
--- a/spacy/tokens/doc.pyx
+++ b/spacy/tokens/doc.pyx
@@ -585,6 +585,9 @@ cdef class Doc:
             elif attr_id == POS:
                 for i in range(length):
                     tokens[i].pos = <univ_pos_t>values[i]
+            elif attr_id == TAG:
+                for i in range(length):
+                    tokens[i].tag = <univ_pos_t>values[i]
             elif attr_id == DEP:
                 for i in range(length):
                     tokens[i].dep = values[i]