diff --git a/EnvelopeGenerator.Application/Histories/Queries/CountHistoryQuery.cs b/EnvelopeGenerator.Application/Histories/Queries/CountHistoryQuery.cs
index 82918c79..a4f04baf 100644
--- a/EnvelopeGenerator.Application/Histories/Queries/CountHistoryQuery.cs
+++ b/EnvelopeGenerator.Application/Histories/Queries/CountHistoryQuery.cs
@@ -26,12 +26,12 @@ public static class CountHistoryQueryExtensions
     /// <param name="statuses"></param>
     /// <param name="cancel"></param>
     /// <returns></returns>
-    public static async Task<bool> AnyHistoryAsync(this ISender sender, string uuid, EnvelopeStatusQuery statuses, CancellationToken cancel = default)
+    public static async Task<bool> AnyHistoryAsync(this ISender sender, string uuid, IEnumerable<EnvelopeStatus> statuses, CancellationToken cancel)
     {
         var count = await sender.Send(new CountHistoryQuery
         {
             Envelope = new() { Uuid = uuid },
-            Statuses = statuses
+            Statuses = new() { Include = statuses }
         }, cancel);
         return count > 0;
     }
@@ -89,7 +89,7 @@ public class CountHistoryQueryHandler : IRequestHandler<CountHistoryQuery, int>
             if (status.Max is not null)
                 query = query.Where(er => er.Envelope!.Status <= status.Max);
 
-            if (status.Include?.Length > 0)
+            if (status.Include?.Count() > 0)
                 query = query.Where(er => status.Include.Contains(er.Envelope!.Status));
 
             if (status.Ignore is not null)
diff --git a/EnvelopeGenerator.Application/Histories/Queries/HistoryQueryBase.cs b/EnvelopeGenerator.Application/Histories/Queries/HistoryQueryBase.cs
index ba3de6e4..8b9c1f57 100644
--- a/EnvelopeGenerator.Application/Histories/Queries/HistoryQueryBase.cs
+++ b/EnvelopeGenerator.Application/Histories/Queries/HistoryQueryBase.cs
@@ -51,10 +51,10 @@ public record EnvelopeStatusQuery
     /// <summary>
     /// Eine Liste von Statuswerten, die einbezogen werden.
     /// </summary>
-    public EnvelopeStatus[]? Include { get; init; }
+    public IEnumerable<EnvelopeStatus>? Include { get; init; }
 
     /// <summary>
     /// Eine Liste von Statuswerten, die ignoriert werden werden.
     /// </summary>
-    public EnvelopeStatus[]? Ignore { get; init; }
+    public IEnumerable<EnvelopeStatus>? Ignore { get; init; }
 }
\ No newline at end of file
diff --git a/EnvelopeGenerator.Application/Histories/Queries/ReadHistoryQuery.cs b/EnvelopeGenerator.Application/Histories/Queries/ReadHistoryQuery.cs
index 99cb4fc3..20b2c221 100644
--- a/EnvelopeGenerator.Application/Histories/Queries/ReadHistoryQuery.cs
+++ b/EnvelopeGenerator.Application/Histories/Queries/ReadHistoryQuery.cs
@@ -76,7 +76,7 @@ public class ReadHistoryQueryHandler : IRequestHandler<ReadHistoryQuery, IEnumer
             if (status.Max is not null)
                 query = query.Where(er => er.Envelope!.Status <= status.Max);
 
-            if (status.Include?.Length > 0)
+            if (status.Include?.Count() > 0)
                 query = query.Where(er => status.Include.Contains(er.Envelope!.Status));
 
             if (status.Ignore is not null)