diff --git a/src/SourceBuild/tarball/patches/aspnetcore/0001-Disable-package-validation-during-source-build.patch b/src/SourceBuild/tarball/patches/aspnetcore/0001-Disable-package-validation-during-source-build.patch
index 15f3815f0..148bdb954 100644
--- a/src/SourceBuild/tarball/patches/aspnetcore/0001-Disable-package-validation-during-source-build.patch
+++ b/src/SourceBuild/tarball/patches/aspnetcore/0001-Disable-package-validation-during-source-build.patch
@@ -8,14 +8,16 @@ Subject: [PATCH] Disable package validation during source-build
  1 file changed, 1 insertion(+)
 
 diff --git a/eng/SourceBuild.props b/eng/SourceBuild.props
-index a034f88679..f3923138f8 100644
+index 63ebed2d9c..a1f0263955 100644
 --- a/eng/SourceBuild.props
 +++ b/eng/SourceBuild.props
-@@ -55,6 +55,7 @@
- 
+@@ -56,6 +56,7 @@
      <PropertyGroup>
        <InnerBuildArgs>$(InnerBuildArgs) /p:SourceBuildRuntimeIdentifier=$(TargetRuntimeIdentifier)</InnerBuildArgs>
+       <InnerBuildArgs Condition="'$(SourceBuildUseMonoRuntime)' == 'true'">$(InnerBuildArgs) /p:CrossgenOutput=false</InnerBuildArgs>
 +      <InnerBuildArgs>$(InnerBuildArgs) /p:EnablePackageValidation=false</InnerBuildArgs>
      </PropertyGroup>
    </Target>
  
+-- 
+2.30.2.windows.1
\ No newline at end of file