diff --git a/crates/samples/components/json_validator_winrt_client_cpp/build.rs b/crates/samples/components/json_validator_winrt_client_cpp/build.rs
index f39067a2a5..6293927b07 100644
--- a/crates/samples/components/json_validator_winrt_client_cpp/build.rs
+++ b/crates/samples/components/json_validator_winrt_client_cpp/build.rs
@@ -18,6 +18,7 @@ fn main() {
     cc::Build::new()
         .cpp(true)
         .std("c++20")
+        .flag("/EHsc")
         .file("src/client.cpp")
         .compile("client");
 }