diff --git a/src/Features/LanguageServer/Protocol/Handler/SemanticTokens/SemanticTokensHelpers.cs b/src/Features/LanguageServer/Protocol/Handler/SemanticTokens/SemanticTokensHelpers.cs
index 379a7864f883a..884db35bddaeb 100644
--- a/src/Features/LanguageServer/Protocol/Handler/SemanticTokens/SemanticTokensHelpers.cs
+++ b/src/Features/LanguageServer/Protocol/Handler/SemanticTokens/SemanticTokensHelpers.cs
@@ -148,6 +148,7 @@ static SemanticTokensHelpers()
             // If the full compilation is not yet available, we'll try getting a partial one. It may contain inaccurate
             // results but will speed up how quickly we can respond to the client's request.
             var frozenDocument = document.WithFrozenPartialSemantics(cancellationToken);
+            options = options with { ForceFrozenPartialSemanticsForCrossProcessOperations = true };
             var semanticModel = await frozenDocument.GetRequiredSemanticModelAsync(cancellationToken).ConfigureAwait(false);
             var isFinalized = document.Project.TryGetCompilation(out var compilation) && compilation == semanticModel.Compilation;
             document = frozenDocument;