diff --git a/eng/SourceBuild.props b/eng/SourceBuild.props
index a034f88679f2..63ebed2d9cc4 100644
--- a/eng/SourceBuild.props
+++ b/eng/SourceBuild.props
@@ -55,6 +55,7 @@
 
     <PropertyGroup>
       <InnerBuildArgs>$(InnerBuildArgs) /p:SourceBuildRuntimeIdentifier=$(TargetRuntimeIdentifier)</InnerBuildArgs>
+      <InnerBuildArgs Condition="'$(SourceBuildUseMonoRuntime)' == 'true'">$(InnerBuildArgs) /p:CrossgenOutput=false</InnerBuildArgs>
     </PropertyGroup>
   </Target>