diff --git a/BritishHorseRacingApi/Models/RunnerResult.cs b/BritishHorseRacingApi/Models/RunnerResult.cs
index 499fc9b..84002cb 100644
--- a/BritishHorseRacingApi/Models/RunnerResult.cs
+++ b/BritishHorseRacingApi/Models/RunnerResult.cs
@@ -48,7 +48,7 @@ namespace BritishHorseRacingApi.Models
         public string FinishTime { get; set; }
         public int? FinishTimeInMilliseconds() => DataConverterHelper.StopWatchStringToMilliseconds(FinishTime);
 
-        public int LossMilliseconds() => DataConverterHelper.StopwatchStringDifferenceToMilliseconds(FinishTime);
+        public int? LossMilliseconds() => DataConverterHelper.StopwatchStringDifferenceToMilliseconds(FinishTime);
 
         public string RacehorseNameWithoutConuntry => RacehorseName.Split('(')[0].Trim();
     }