diff --git a/api/tests.py b/api/tests.py
index 7da2576f..546ee5b1 100644
--- a/api/tests.py
+++ b/api/tests.py
@@ -183,8 +183,8 @@ class PumpingAPITestCase(TestBase.BabyBuddyAPITestCaseBase):
                 "id": 2,
                 "child": 1,
                 "amount": 9.0,
-                "start": "2017-11-17T20:03:00Z",
-                "end": "2017-11-17T20:22:00Z",
+                "start": "2017-11-17T15:03:00-05:00",
+                "end": "2017-11-17T15:22:00-05:00",
                 "duration": "00:19:00",
                 "notes": "new device",
                 "tags": [],