diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index 836708e6..2fddbec8 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -147,7 +147,7 @@
     <Compile Include="StudioEgo\ArcPAK0.cs" />
     <Compile Include="StudioEgo\ImageANT.cs" />
     <Compile Include="TechnoBrain\ImageIPH.cs" />
-    <Compile Include="ArcDX.cs" />
+    <Compile Include="DxLib\ArcDX.cs" />
     <Compile Include="ArcMiris.cs" />
     <Compile Include="Bishop\ArcBSA.cs" />
     <Compile Include="Bishop\ArcBSC.cs" />
diff --git a/ArcFormats/ArcDX.cs b/ArcFormats/DxLib/ArcDX.cs
similarity index 100%
rename from ArcFormats/ArcDX.cs
rename to ArcFormats/DxLib/ArcDX.cs