diff --git a/DUI3-DX/Converters/Rhino/Speckle.Converters.Rhino7/ToHost/Raw/ArcToHostConverter.cs b/DUI3-DX/Converters/Rhino/Speckle.Converters.Rhino7/ToHost/Raw/ArcToHostConverter.cs
index 291395ee9e..fea3bdc469 100644
--- a/DUI3-DX/Converters/Rhino/Speckle.Converters.Rhino7/ToHost/Raw/ArcToHostConverter.cs
+++ b/DUI3-DX/Converters/Rhino/Speckle.Converters.Rhino7/ToHost/Raw/ArcToHostConverter.cs
@@ -1,4 +1,5 @@
 using Speckle.Converters.Common.Objects;
+using Speckle;
 
 namespace Speckle.Converters.Rhino7.ToHost.Raw;