diff --git a/src/iRLeagueApiCore.Common/Models/Results/EventCarInfoModel.cs b/src/iRLeagueApiCore.Common/Models/Results/EventCarInfoModel.cs
index 697a708..a47c606 100644
--- a/src/iRLeagueApiCore.Common/Models/Results/EventCarInfoModel.cs
+++ b/src/iRLeagueApiCore.Common/Models/Results/EventCarInfoModel.cs
@@ -7,7 +7,7 @@
 public sealed class EventCarInfoModel
 {
     [DataMember]
-    public int Number { get; set; }
+    public string Number { get; set; } = string.Empty;
     [DataMember] 
     public string Car { get; set; } = string.Empty;
     [DataMember]
diff --git a/src/iRLeagueApiCore.Common/Models/Results/ResultRowModel.cs b/src/iRLeagueApiCore.Common/Models/Results/ResultRowModel.cs
index fb102b6..a05f3ed 100644
--- a/src/iRLeagueApiCore.Common/Models/Results/ResultRowModel.cs
+++ b/src/iRLeagueApiCore.Common/Models/Results/ResultRowModel.cs
@@ -47,7 +47,7 @@ public class ResultRowModel
     /// Car number in the session
     /// </summary>
     [DataMember]
-    public string CarNumber { get; set; }
+    public string CarNumber { get; set; } = string.Empty;
     /// <summary>
     /// Class id in the session (in multiclass sessions)
     /// </summary>
diff --git a/src/iRLeagueApiCore.Common/iRLeagueApiCore.Common.csproj b/src/iRLeagueApiCore.Common/iRLeagueApiCore.Common.csproj
index 8d3a171..aed1074 100644
--- a/src/iRLeagueApiCore.Common/iRLeagueApiCore.Common.csproj
+++ b/src/iRLeagueApiCore.Common/iRLeagueApiCore.Common.csproj
@@ -18,7 +18,7 @@
 		<OutputType>Library</OutputType>
 		<TargetFramework>net6.0</TargetFramework>
 		<PackageId>iRLeagueApiCore.Common</PackageId>
-		<Version>0.10.0-dev.7</Version>
+		<Version>0.10.0-dev.8</Version>
 		<Authors>Simon Schulze</Authors>
 		<Company>Simon Schulze</Company>
 		<ImplicitUsings>enable</ImplicitUsings>