diff --git a/tests/test_services.py b/tests/test_services.py
index 2f0ead37..fb3373ad 100644
--- a/tests/test_services.py
+++ b/tests/test_services.py
@@ -996,6 +996,7 @@ def test_service_cache_transaction_p2sh_p2wpkh_input(self):
         srv = ServiceTest(cache_uri=DATABASE_CACHE_UNITTESTS2)
         t = srv.gettransaction(txid)
         self.assertEqual(t.size, 249)
+        self.assertEqual(t.inputs[0].witness_type, 'p2sh-segwit')
         self.assertEqual(srv.results_cache_n, 0)
         t2 = srv.gettransaction(txid)
         self.assertEqual(t2.size, 249)