diff --git a/src/libraries/Microsoft.Extensions.HostFactoryResolver/src/Microsoft.Extensions.HostFactoryResolver.Sources.csproj b/src/libraries/Microsoft.Extensions.HostFactoryResolver/src/Microsoft.Extensions.HostFactoryResolver.Sources.csproj
index e2ad07ddc392b3..63de3229f94c50 100644
--- a/src/libraries/Microsoft.Extensions.HostFactoryResolver/src/Microsoft.Extensions.HostFactoryResolver.Sources.csproj
+++ b/src/libraries/Microsoft.Extensions.HostFactoryResolver/src/Microsoft.Extensions.HostFactoryResolver.Sources.csproj
@@ -5,10 +5,11 @@
     <EnableBinPlacing>false</EnableBinPlacing>
     <IsShipping>false</IsShipping>
     <SuppressDependenciesWhenPacking>true</SuppressDependenciesWhenPacking>
+    <IsSourcePackage>true</IsSourcePackage>
     <PackageDescription>Internal package for sharing Microsoft.Extensions.Hosting.HostFactoryResolver type.</PackageDescription>
   </PropertyGroup>
 
   <ItemGroup>
     <Content Include="*.cs" PackagePath="contentFiles/cs/netstandard1.0/%(FileName)%(Extension)" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>