diff --git a/elit/nlp/token_tagger/ner.py b/elit/nlp/token_tagger/ner.py
index 989e939..cf9be97 100644
--- a/elit/nlp/token_tagger/ner.py
+++ b/elit/nlp/token_tagger/ner.py
@@ -47,3 +47,5 @@ def ner_formatter(docs):
                         ent = ""
                 idx += 1
             sen[NER] = tags
+
+    return docs
\ No newline at end of file