diff --git a/src/System.Management.Automation/engine/ErrorPackage.cs b/src/System.Management.Automation/engine/ErrorPackage.cs
index 4d1627dff93..0395daa7613 100644
--- a/src/System.Management.Automation/engine/ErrorPackage.cs
+++ b/src/System.Management.Automation/engine/ErrorPackage.cs
@@ -1761,6 +1761,7 @@ public ErrorRecord(Exception exception, string errorId, ErrorCategory errorCateg
     /// <seealso cref="Provider.CmdletProvider"/>
     /// is no longer available.
     /// </remarks>
+#nullable enable
     public interface IContainsErrorRecord
     {
         /// <summary>
@@ -1789,6 +1790,7 @@ public interface IContainsErrorRecord
         /// </remarks>
         ErrorRecord ErrorRecord { get; }
     }
+#nullable restore
 
     /// <summary>
     /// Objects implementing this interface can be used by