diff --git a/src/libraries/System.Diagnostics.DiagnosticSource/dir.props b/src/libraries/System.Diagnostics.DiagnosticSource/dir.props
index cfbc7971a2..7091ba2d80 100644
--- a/src/libraries/System.Diagnostics.DiagnosticSource/dir.props
+++ b/src/libraries/System.Diagnostics.DiagnosticSource/dir.props
@@ -4,5 +4,7 @@
   <PropertyGroup>
     <AssemblyVersion>4.0.2.0</AssemblyVersion>
     <IsNETCoreApp>true</IsNETCoreApp>
+    <IsUAP>true</IsUAP>
+    <IsUAPRef>false</IsUAPRef>
   </PropertyGroup>
 </Project>
\ No newline at end of file