diff --git a/indra/tests/test_statements.py b/indra/tests/test_statements.py
index <HASH>..<HASH> 100644
--- a/indra/tests/test_statements.py
+++ b/indra/tests/test_statements.py
@@ -1337,6 +1337,7 @@ def test_serialize():
     st2 = stmts_from_json([jstr])[0]
     assert(st.equals(st2))
     assert unicode_strs((ev1, st, st2))
+    assert st.evidence[0].source_hash == st2.evidence[0].source_hash
 
 
 def test_location_refinement():
Check hash is persistend through to_json-from_json.