diff --git a/gensim/similarities/docsim.py b/gensim/similarities/docsim.py
index ee73328ff1..cdb966547d 100644
--- a/gensim/similarities/docsim.py
+++ b/gensim/similarities/docsim.py
@@ -1015,7 +1015,7 @@ class WmdSimilarity(interfaces.SimilarityABC):
         >>>
         >>> model = Word2Vec(common_texts, vector_size=20, min_count=1)  # train word-vectors
         >>>
-        >>> index = WmdSimilarity(common_texts, model)
+        >>> index = WmdSimilarity(common_texts, model.wv)
         >>> # Make query.
         >>> query = ['trees']
         >>> sims = index[query]
@@ -1096,7 +1096,7 @@ def get_similarities(self, query):
         return result
 
     def __str__(self):
-        return "%s<%i docs, %i features>" % (self.__class__.__name__, len(self), self.w2v_model.wv.syn0.shape[1])
+        return "%s<%i docs, %i features>" % (self.__class__.__name__, len(self), self.wv.vectors.shape[1])
 
 
 class SparseMatrixSimilarity(interfaces.SimilarityABC):
diff --git a/gensim/test/test_similarities.py b/gensim/test/test_similarities.py
index 35ddd03397..0b917980d2 100644
--- a/gensim/test/test_similarities.py
+++ b/gensim/test/test_similarities.py
@@ -373,6 +373,11 @@ def test_iter(self):
             self.assertTrue(numpy.alltrue(sims >= 0.0))
             self.assertTrue(numpy.alltrue(sims <= 1.0))
 
+    @unittest.skipIf(PYEMD_EXT is False, "pyemd not installed")
+    def test_str(self):
+        index = self.cls(TEXTS, self.w2v_model)
+        self.assertTrue(str(index))
+
 
 class TestSoftCosineSimilarity(_TestSimilarityABC):
     def setUp(self):