diff --git a/spacy/tests/regression/test_issue1660.py b/spacy/tests/regression/test_issue1660.py
new file mode 100644
index 00000000000..d46de046563
--- /dev/null
+++ b/spacy/tests/regression/test_issue1660.py
@@ -0,0 +1,12 @@
+from __future__ import unicode_literals
+import pytest
+from ...util import load_model
+
+@pytest.mark.models("en_core_web_md")
+@pytest.mark.models("es_core_news_md")
+def test_models_with_different_vectors():
+    nlp = load_model('en_core_web_md')
+    doc = nlp(u'hello world')
+    nlp2 = load_model('es_core_news_md')
+    doc2 = nlp2(u'hola')
+    doc = nlp(u'hello world')