diff --git a/Directory.Build.props b/Directory.Build.props
index 7f5b362cb34..d16c9ad5dcb 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -39,7 +39,7 @@
     <!-- Set PublishReadyToRun to speed up the build. -->
     <EnablePublishReadyToRun>true</EnablePublishReadyToRun>
     <!-- Crossgen2 is not built with source-built Mono-based .NET SDKs. -->
-    <EnablePublishReadyToRun Condition="'$(SourceBuildUseMonoRuntime)' == 'true'">false</EnablePublishReadyToRun>
+    <EnablePublishReadyToRun Condition="'$(DotNetBuildUseMonoRuntime)' == 'true'">false</EnablePublishReadyToRun>
   </PropertyGroup>
 
   <Import Project="$(RepoRoot)/Directory.Build.props.user" Condition="Exists('$(RepoRoot)/Directory.Build.props.user')" />
diff --git a/eng/DotNetBuild.props b/eng/DotNetBuild.props
index c7bc688ba3e..0734c9cf8a9 100644
--- a/eng/DotNetBuild.props
+++ b/eng/DotNetBuild.props
@@ -30,7 +30,7 @@
           
     <PropertyGroup>
       <SourceBuildBootstrapTfmArg Condition="$(SourceBuildBootstrapTfm) != ''">--tfm $(SourceBuildBootstrapTfm)</SourceBuildBootstrapTfmArg>
-      <SourceBuildUseMonoRuntime Condition="'$(SourceBuildUseMonoRuntime)' == ''">false</SourceBuildUseMonoRuntime>
+      <DotNetBuildUseMonoRuntime Condition="'$(DotNetBuildUseMonoRuntime)' == ''">false</DotNetBuildUseMonoRuntime>
     </PropertyGroup>
 
     <!-- this runs the source-build bootstrap path as described in https://github.com/dotnet/fsharp/blob/95df49e380ea8dbf33653fa4209f89dba29413f5/eng/build.sh#L247
@@ -41,7 +41,7 @@
          -bl enables the binlogs for the tools and Proto builds, which make debugging failures here easier
     -->
     <Exec
-      Command="./build.sh --bootstrap --skipBuild -bl $(SourceBuildBootstrapTfmArg) /p:SourceBuildUseMonoRuntime=$(SourceBuildUseMonoRuntime) /p:DotNetBuildSourceOnly=true /p:DotNetBuildInnerRepo=true /p:DotNetBuildRepo=true /p:DotNetBuildOrchestrator=$(DotNetBuildOrchestrator)"
+      Command="./build.sh --bootstrap --skipBuild -bl $(SourceBuildBootstrapTfmArg) /p:DotNetBuildUseMonoRuntime=$(DotNetBuildUseMonoRuntime) /p:DotNetBuildSourceOnly=true /p:DotNetBuildInnerRepo=true /p:DotNetBuildRepo=true /p:DotNetBuildOrchestrator=$(DotNetBuildOrchestrator)"
       WorkingDirectory="$(InnerSourceBuildRepoRoot)"
       EnvironmentVariables="@(InnerBuildEnv)" />
   </Target>