diff --git a/gensim/test/test_doc2vec.py b/gensim/test/test_doc2vec.py
index 200780dd9f..06065bdc18 100644
--- a/gensim/test/test_doc2vec.py
+++ b/gensim/test/test_doc2vec.py
@@ -305,7 +305,7 @@ def test_mixed_tag_types(self):
         model = doc2vec.Doc2Vec()
         model.build_vocab(mixed_tag_corpus)
         expected_length = len(sentences) + len(model.docvecs.doctags)  # 9 sentences, 7 unique first tokens
-        self.assertEquals(len(model.docvecs.doctag_syn0), expected_length)
+        self.assertEqual(len(model.docvecs.doctag_syn0), expected_length)
 
     def models_equal(self, model, model2):
         # check words/hidden-weights