diff --git a/src/AddIns/DisplayBindings/FormsDesigner/Project/FormsDesigner.csproj b/src/AddIns/DisplayBindings/FormsDesigner/Project/FormsDesigner.csproj
index f9bb94cff9..0fa8776d4d 100644
--- a/src/AddIns/DisplayBindings/FormsDesigner/Project/FormsDesigner.csproj
+++ b/src/AddIns/DisplayBindings/FormsDesigner/Project/FormsDesigner.csproj
@@ -22,6 +22,10 @@
     <BaseAddress>108003328</BaseAddress>
     <FileAlignment>4096</FileAlignment>
     <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <SignAssembly>True</SignAssembly>
+    <AssemblyOriginatorKeyFile>..\..\..\..\Main\ICSharpCode.SharpDevelop.snk</AssemblyOriginatorKeyFile>
+    <DelaySign>False</DelaySign>
+    <AssemblyOriginatorKeyMode>File</AssemblyOriginatorKeyMode>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
     <Optimize>True</Optimize>
@@ -165,4 +169,4 @@
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSHARP.Targets" />
   <Import Project="PostBuildEvent.proj" />
-</Project>
\ No newline at end of file
+</Project>