diff --git a/src/Razor/src/Microsoft.VisualStudio.LanguageServices.Razor/VisualStudioLanguageServerFeatureOptions.cs b/src/Razor/src/Microsoft.VisualStudio.LanguageServices.Razor/VisualStudioLanguageServerFeatureOptions.cs
index 8cbd721e503..da1765dec63 100644
--- a/src/Razor/src/Microsoft.VisualStudio.LanguageServices.Razor/VisualStudioLanguageServerFeatureOptions.cs
+++ b/src/Razor/src/Microsoft.VisualStudio.LanguageServices.Razor/VisualStudioLanguageServerFeatureOptions.cs
@@ -53,7 +53,7 @@ public VisualStudioLanguageServerFeatureOptions(ILspEditorFeatureDetector lspEdi
         _useRazorCohostServer = new Lazy<bool>(() =>
         {
             var featureFlags = (IVsFeatureFlags)Package.GetGlobalService(typeof(SVsFeatureFlags));
-            var useRazorCohostServer = featureFlags.IsFeatureEnabled(WellKnownFeatureFlagNames.UseRazorCohostServer, defaultValue: false);
+            var useRazorCohostServer = featureFlags.IsFeatureEnabled(WellKnownFeatureFlagNames.UseRazorCohostServer, defaultValue: true);
             return useRazorCohostServer;
         });
 
diff --git a/src/Razor/src/Microsoft.VisualStudio.RazorExtension/Microsoft.VisualStudio.RazorExtension.Custom.pkgdef b/src/Razor/src/Microsoft.VisualStudio.RazorExtension/Microsoft.VisualStudio.RazorExtension.Custom.pkgdef
index c61da109f09..8cb85543bfe 100644
--- a/src/Razor/src/Microsoft.VisualStudio.RazorExtension/Microsoft.VisualStudio.RazorExtension.Custom.pkgdef
+++ b/src/Razor/src/Microsoft.VisualStudio.RazorExtension/Microsoft.VisualStudio.RazorExtension.Custom.pkgdef
@@ -59,7 +59,7 @@
 
 [$RootKey$\FeatureFlags\Razor\LSP\UseRazorCohostServer]
 "Description"="Uses the Razor language server that is cohosted in Roslyn to provide some Razor tooling functionality."
-"Value"=dword:00000000
+"Value"=dword:00000001
 "Title"="Use Roslyn Cohost server for Razor (requires restart)"
 "PreviewPaneChannels"="*"