diff --git a/Aaru.Archives/EWF/Open.cs b/Aaru.Archives/EWF/Open.cs
index 1a49a4338..a90adf7a9 100644
--- a/Aaru.Archives/EWF/Open.cs
+++ b/Aaru.Archives/EWF/Open.cs
@@ -34,6 +34,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Text;
+using Aaru.CommonTypes;
 using Aaru.CommonTypes.Enums;
 using Aaru.CommonTypes.Interfaces;
 using Aaru.Logging;