diff --git a/src/InteractiveWindow/Editor/InteractiveWindow.csproj b/src/InteractiveWindow/Editor/InteractiveWindow.csproj
index 22a521adfce16..db2a75a81bf95 100644
--- a/src/InteractiveWindow/Editor/InteractiveWindow.csproj
+++ b/src/InteractiveWindow/Editor/InteractiveWindow.csproj
@@ -14,6 +14,7 @@
     <!-- TODO -->
     <SolutionDir Condition="'$(SolutionDir)' == '' OR '$(SolutionDir)' == '*Undefined*'">..\..\..\</SolutionDir>
     <RestorePackages>true</RestorePackages>
+    <VSSDKTargetPlatformRegRootSuffix>RoslynDev</VSSDKTargetPlatformRegRootSuffix>
   </PropertyGroup>
   <ItemGroup Label="Linked Files">
     <Compile Include="..\..\Compilers\Core\Portable\InternalUtilities\SpecializedCollections.cs">
diff --git a/src/InteractiveWindow/VisualStudio/VisualStudioInteractiveWindow.csproj b/src/InteractiveWindow/VisualStudio/VisualStudioInteractiveWindow.csproj
index e57f5bb11d574..bfa5c0be97023 100644
--- a/src/InteractiveWindow/VisualStudio/VisualStudioInteractiveWindow.csproj
+++ b/src/InteractiveWindow/VisualStudio/VisualStudioInteractiveWindow.csproj
@@ -23,6 +23,7 @@
     <MinimumVisualStudioVersion>$(VisualStudioVersion)</MinimumVisualStudioVersion>
     <ImportVSSDKTargets>true</ImportVSSDKTargets>
     <SolutionDir Condition="'$(SolutionDir)' == '' OR '$(SolutionDir)' == '*Undefined*'">..\..\..\</SolutionDir>
+    <VSSDKTargetPlatformRegRootSuffix>RoslynDev</VSSDKTargetPlatformRegRootSuffix>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\..\InteractiveWindow\Editor\InteractiveWindow.csproj">