diff --git a/build_defs/cpp_opts.bzl b/build_defs/cpp_opts.bzl
index 5a32371dacf7..03106df9510c 100644
--- a/build_defs/cpp_opts.bzl
+++ b/build_defs/cpp_opts.bzl
@@ -35,6 +35,7 @@ LINK_OPTS = select({
     "//build_defs:config_msvc": [
         # Suppress linker warnings about files with no symbols defined.
         "-ignore:4221",
+        "/utf-8",
     ],
     "@platforms//os:macos": [
         "-lpthread",