diff --git a/src/ism7config/ServiceProvider.cs b/src/ism7config/ServiceProvider.cs
index 70d327a..6c37ccb 100644
--- a/src/ism7config/ServiceProvider.cs
+++ b/src/ism7config/ServiceProvider.cs
@@ -20,7 +20,7 @@ public ServiceProvider(BundleQueueWorker bundleQueueWorker, ParameterStore param
         _unitOfWork = unitOfWork;
     }
 
-    public object? GetService(Type serviceType)
+    public object GetService(Type serviceType)
     {
         return GetInstance(serviceType);
     }
diff --git a/src/ism7config/ism7config.csproj b/src/ism7config/ism7config.csproj
index 0a84501..f1ab7bf 100644
--- a/src/ism7config/ism7config.csproj
+++ b/src/ism7config/ism7config.csproj
@@ -4,7 +4,6 @@
     <OutputType>Exe</OutputType>
     <TargetFramework>net6.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>
@@ -13,6 +12,12 @@
     <Content Include="..\ism7mqtt\Resources\ParameterTemplates.xml" Link="Resources\parametertemplates.xml" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Include="..\..\openssl.cnf" Link="openssl.cnf">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="CommonServiceLocator" Version="2.0.6" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="6.0.0" />
diff --git a/src/oldism7proxy/oldism7proxy.csproj b/src/oldism7proxy/oldism7proxy.csproj
index 00b561a..429640e 100644
--- a/src/oldism7proxy/oldism7proxy.csproj
+++ b/src/oldism7proxy/oldism7proxy.csproj
@@ -4,7 +4,6 @@
     <OutputType>Exe</OutputType>
     <TargetFramework>net6.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>