diff --git a/src/IF.Lastfm.Core.Tests.Integration/Commands/TrackScrobbleCommandTests.cs b/src/IF.Lastfm.Core.Tests.Integration/Commands/TrackScrobbleCommandTests.cs
index cf3af9d..60ab656 100644
--- a/src/IF.Lastfm.Core.Tests.Integration/Commands/TrackScrobbleCommandTests.cs
+++ b/src/IF.Lastfm.Core.Tests.Integration/Commands/TrackScrobbleCommandTests.cs
@@ -17,7 +17,7 @@ public class TrackScrobbleCommandTests : CommandIntegrationTestsBase
         [TestMethod]
         public async Task ScrobblesSingle()
         {
-            var trackPlayed = DateTime.UtcNow;
+            var trackPlayed = DateTime.UtcNow.AddMinutes(-1);
             var testScrobble = new Scrobble("Hot Chip", "The Warning", "Over and Over", trackPlayed, "Hot Chip", false);
 
             var trackApi = new TrackApi(Auth);
@@ -40,7 +40,7 @@ public async Task ScrobblesSingle()
                     "http://userserve-ak.last.fm/serve/64s/50921593.png",
                     "http://userserve-ak.last.fm/serve/126/50921593.png",
                     "http://userserve-ak.last.fm/serve/300x300/50921593.png"),
-                TimePlayed = trackPlayed
+                TimePlayed = trackPlayed.AddMilliseconds(-trackPlayed.Millisecond)
             };
 
             var expectedJson = expectedTrack.TestSerialise();
diff --git a/src/IF.Lastfm.Core.Tests/TestHelper.cs b/src/IF.Lastfm.Core.Tests/TestHelper.cs
index 33132af..9515c5a 100644
--- a/src/IF.Lastfm.Core.Tests/TestHelper.cs
+++ b/src/IF.Lastfm.Core.Tests/TestHelper.cs
@@ -13,7 +13,7 @@ static TestHelper()
         {
             _testSerialiserSettings = new JsonSerializerSettings
             {
-                DateFormatString = "yyyy-MM-dd HH:mm:ss.SSS zzz",
+                DateFormatString = "yyyy-MM-dd HH:mm:ss.fff zzz",
                 NullValueHandling = NullValueHandling.Ignore
             };
         }