diff --git a/MFaaP.MFWSClient.Tests/MFWSClient.cs b/MFaaP.MFWSClient.Tests/MFWSClient.cs
index 2c57952..d99b09c 100644
--- a/MFaaP.MFWSClient.Tests/MFWSClient.cs
+++ b/MFaaP.MFWSClient.Tests/MFWSClient.cs
@@ -73,6 +73,7 @@ public void InstantiationAlsoPopulatesPropertiesAndFields()
 			Assert.IsNotNull(client.ValueListItemOperations);
 			Assert.IsNotNull(client.ValueListOperations);
 			Assert.IsNotNull(client.WorkflowOperations);
+			Assert.IsNotNull(client.CookieContainer);
 		}
 
 		/// <summary>