diff --git a/src/Perspex.Application/Designer/Designer.cs b/src/Perspex.Application/Designer/DesignerAssist.cs
similarity index 98%
rename from src/Perspex.Application/Designer/Designer.cs
rename to src/Perspex.Application/Designer/DesignerAssist.cs
index a04e1d1fef..778905058e 100644
--- a/src/Perspex.Application/Designer/Designer.cs
+++ b/src/Perspex.Application/Designer/DesignerAssist.cs
@@ -12,7 +12,7 @@ using Perspex.Themes.Default;
 
 namespace Perspex.Designer
 {
-    class Designer
+    class DesignerAssist
     {
         class DesignerApp : Application
         {
diff --git a/src/Perspex.Application/Perspex.Application.csproj b/src/Perspex.Application/Perspex.Application.csproj
index 08ecf9912e..5b1cc42c4a 100644
--- a/src/Perspex.Application/Perspex.Application.csproj
+++ b/src/Perspex.Application/Perspex.Application.csproj
@@ -89,7 +89,7 @@
       <Link>Properties\SharedAssemblyInfo.cs</Link>
     </Compile>
     <Compile Include="Application.cs" />
-    <Compile Include="Designer\Designer.cs" />
+    <Compile Include="Designer\DesignerAssist.cs" />
     <Compile Include="Designer\DesignerApi.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
diff --git a/src/Windows/Perspex.Designer/AppHost/PerspexAppHost.cs b/src/Windows/Perspex.Designer/AppHost/PerspexAppHost.cs
index b855019f4c..24eef4ad33 100644
--- a/src/Windows/Perspex.Designer/AppHost/PerspexAppHost.cs
+++ b/src/Windows/Perspex.Designer/AppHost/PerspexAppHost.cs
@@ -201,7 +201,7 @@ namespace Perspex.Designer.AppHost
             log("Initializing built-in designer");
             var dic = new Dictionary<string, object>();
             Api = new DesignerApi(dic) {OnResize = OnResize, OnWindowCreated = OnWindowCreated};
-            LookupStaticMethod("Perspex.Designer.Designer", "Init").Invoke(null, new object[] {dic});
+            LookupStaticMethod("Perspex.Designer.DesignerAssist", "Init").Invoke(null, new object[] {dic});
 
             _window = new Control
             {