diff --git a/S7.Net/S7.Net.csproj b/S7.Net/S7.Net.csproj
index eeed409..a5643f5 100644
--- a/S7.Net/S7.Net.csproj
+++ b/S7.Net/S7.Net.csproj
@@ -21,7 +21,7 @@
     <IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <NoWarn>CS1591</NoWarn>
+    <NoWarn>$(NoWarn);CS1591;NETSDK1138</NoWarn>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'net452' Or '$(TargetFramework)' == 'net462' Or '$(TargetFramework)' == 'netstandard2.0' ">