diff --git a/src/Altinn.Notifications.Core/Enums/EmailNotificationResultType.cs b/src/Altinn.Notifications.Core/Enums/EmailNotificationResultType.cs
index 69d753cd..65813841 100644
--- a/src/Altinn.Notifications.Core/Enums/EmailNotificationResultType.cs
+++ b/src/Altinn.Notifications.Core/Enums/EmailNotificationResultType.cs
@@ -25,6 +25,11 @@ public enum EmailNotificationResultType
     /// </summary>
     Delivered,
 
+    /// <summary>
+    /// Failed, unknown reason
+    /// </summary>
+    Failed,
+
     /// <summary>
     /// Recipient to address was not identified
     /// </summary>
@@ -33,5 +38,5 @@ public enum EmailNotificationResultType
     /// <summary>
     /// Invalid format for email address
     /// </summary>
-    Failed_InvalidEmailFormat 
+    Failed_InvalidEmailFormat
 }
diff --git a/src/Altinn.Notifications.Persistence/Migration/v0.11/01-alter-enum.sql b/src/Altinn.Notifications.Persistence/Migration/v0.11/01-alter-enum.sql
new file mode 100644
index 00000000..52aab181
--- /dev/null
+++ b/src/Altinn.Notifications.Persistence/Migration/v0.11/01-alter-enum.sql
@@ -0,0 +1 @@
+ALTER TYPE emailnotificationresulttype ADD VALUE IF NOT EXISTS 'Failed';