diff --git a/spacy/tests/regression/test_issue615.py b/spacy/tests/regression/test_issue615.py
new file mode 100644
index 000000000..83f44037b
--- /dev/null
+++ b/spacy/tests/regression/test_issue615.py
@@ -0,0 +1,36 @@
+from __future__ import unicode_literals
+import spacy 
+from spacy.attrs import ORTH
+
+
+def merge_phrases(matcher, doc, i, matches):
+    '''
+    Merge a phrase. We have to be careful here because we'll change the token indices.
+    To avoid problems, merge all the phrases once we're called on the last match.
+    '''
+    if i != len(matches)-1:
+        return None
+    # Get Span objects
+    spans = [(ent_id, label, doc[start : end]) for ent_id, label, start, end in matches]
+    for ent_id, label, span in spans:
+        span.merge('NNP' if label else span.root.tag_, span.text, doc.vocab.strings[label])
+
+def test_entity_ID_assignment():
+    nlp = spacy.en.English()
+    text = u"""The golf club is broken"""
+    doc = nlp(text)
+
+    golf_pattern =     [ 
+            { ORTH: "golf"},
+            { ORTH: "club"}
+        ]
+
+    matcher = spacy.matcher.Matcher(nlp.vocab)
+    matcher.add_entity('Sport_Equipment', on_match = merge_phrases)
+    matcher.add_pattern("Sport_Equipment", golf_pattern, label = 'Sport_Equipment')
+
+    match = matcher(doc)
+    entities = list(doc.ents)
+
+    assert entities != [] #assertion 1
+    assert entities[0].label != 0 #assertion 2