diff --git a/src/Authentication.Abstractions/Extensions/AzureSubscriptionExtensions.cs b/src/Authentication.Abstractions/Extensions/AzureSubscriptionExtensions.cs
index 2c4b71e62a..a797762f13 100644
--- a/src/Authentication.Abstractions/Extensions/AzureSubscriptionExtensions.cs
+++ b/src/Authentication.Abstractions/Extensions/AzureSubscriptionExtensions.cs
@@ -28,7 +28,7 @@ public static class AzureSubscriptionExtensions
         /// <returns>The globally unique id, if the id is set, otherwise, the enpty Guid</returns>
         public static Guid GetId(this IAzureSubscription subscription)
         {
-            return subscription.Id == null? Guid.Empty: new Guid(subscription.Id);
+            return subscription?.Id == null ? Guid.Empty : new Guid(subscription.Id);
         }
 
         /// <summary>