diff --git a/Legacy/WestGate/ArcUCA.cs b/Legacy/WestGate/ArcUCA.cs
index c0a05006..b2993972 100644
--- a/Legacy/WestGate/ArcUCA.cs
+++ b/Legacy/WestGate/ArcUCA.cs
@@ -29,9 +29,7 @@ using System.IO;
 
 namespace GameRes.Formats.WestGate
 {
-#if DEBUG
     [Export(typeof(ArchiveFormat))]
-#endif
     public class UcaOpener : ArchiveFormat
     {
         public override string         Tag { get { return "UCA"; } }
@@ -40,6 +38,11 @@ namespace GameRes.Formats.WestGate
         public override bool  IsHierarchic { get { return false; } }
         public override bool      CanWrite { get { return false; } }
 
+        public UcaOpener ()
+        {
+            Extensions = new[] { "uca", "arc" };
+        }
+
         public override ArcFile TryOpen (ArcView file)
         {
             if (file.View.ReadUInt32 (0) != 0)
diff --git a/Legacy/WestGate/ArcUSF.cs b/Legacy/WestGate/ArcUSF.cs
index 1f76ac57..73578987 100644
--- a/Legacy/WestGate/ArcUSF.cs
+++ b/Legacy/WestGate/ArcUSF.cs
@@ -28,9 +28,7 @@ using System.ComponentModel.Composition;
 
 namespace GameRes.Formats.WestGate
 {
-#if DEBUG
     [Export(typeof(ArchiveFormat))]
-#endif
     public class UsfOpener : ArchiveFormat
     {
         public override string         Tag { get { return "USF"; } }
diff --git a/Legacy/WestGate/ArcUWF.cs b/Legacy/WestGate/ArcUWF.cs
index 41a5a2f9..facaa866 100644
--- a/Legacy/WestGate/ArcUWF.cs
+++ b/Legacy/WestGate/ArcUWF.cs
@@ -29,9 +29,7 @@ using System.IO;
 
 namespace GameRes.Formats.WestGate
 {
-#if DEBUG
     [Export(typeof(ArchiveFormat))]
-#endif
     public class UwfOpener : ArchiveFormat
     {
         public override string         Tag { get { return "UWF"; } }
@@ -40,6 +38,11 @@ namespace GameRes.Formats.WestGate
         public override bool  IsHierarchic { get { return false; } }
         public override bool      CanWrite { get { return false; } }
 
+        public UwfOpener ()
+        {
+            Extensions = new[] { "uwf", "arc" };
+        }
+
         public override ArcFile TryOpen (ArcView file)
         {
             if (file.MaxOffset <= 0x1500)