From 75e1618ec32a5a06c78f5737e11aa869f60d3b20 Mon Sep 17 00:00:00 2001
From: Matthew Honnibal <honnibal+gh@gmail.com>
Date: Mon, 6 Nov 2017 16:56:19 +0100
Subject: [PATCH] Fix lemma clobbering

---
 spacy/pipeline.pyx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spacy/pipeline.pyx b/spacy/pipeline.pyx
index bff81a211..4f56bde67 100644
--- a/spacy/pipeline.pyx
+++ b/spacy/pipeline.pyx
@@ -425,7 +425,7 @@ class Tagger(Pipe):
                     # Don't clobber preset lemmas
                     lemma = doc.c[j].lemma
                     vocab.morphology.assign_tag_id(&doc.c[j], tag_id)
-                    if lemma != 0:
+                    if lemma != 0 and lemma != doc.c[j].lex.orth:
                         doc.c[j].lemma = lemma
                 idx += 1
             if tensors is not None: