diff --git a/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp b/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp
index 6ca6e5479677..c9569d2d96cc 100644
--- a/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp
+++ b/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp
@@ -466,7 +466,7 @@ TEST_F(TUSchedulerTests, ManyUpdates) {
         auto Inputs = getInputs(File, Contents.str());
         {
           WithContextValue WithNonce(NonceKey, ++Nonce);
-          Inputs.Version = Nonce;
+          Inputs.Version = std::to_string(Nonce);
           updateWithDiags(
               S, File, Inputs, WantDiagnostics::Auto,
               [File, Nonce, &Mut, &TotalUpdates](std::vector<Diag>) {