diff --git a/Duplicati/Library/Backend/SharePoint/Duplicati.Library.Backend.SharePoint.csproj b/Duplicati/Library/Backend/SharePoint/Duplicati.Library.Backend.SharePoint.csproj
index 26d13e691..ce46170ec 100644
--- a/Duplicati/Library/Backend/SharePoint/Duplicati.Library.Backend.SharePoint.csproj
+++ b/Duplicati/Library/Backend/SharePoint/Duplicati.Library.Backend.SharePoint.csproj
@@ -29,6 +29,12 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>Duplicati.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="Microsoft.SharePoint.Client, Version=16.1.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -55,6 +61,7 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />
+    <None Include="Duplicati.snk" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\Interface\Duplicati.Library.Interface.csproj">
diff --git a/Duplicati/Library/Backend/SharePoint/Duplicati.snk b/Duplicati/Library/Backend/SharePoint/Duplicati.snk
new file mode 100644
index 000000000..e0c1e2dd8
Binary files /dev/null and b/Duplicati/Library/Backend/SharePoint/Duplicati.snk differ