diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a37ae37c17..63dd9febf7 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -32,6 +32,7 @@ if (MSVC)
     # /Zc:externConstexpr - Allow extern constexpr variables to have external linkage, like the standard mandates
     # /Zc:inline          - Let codegen omit inline functions in object files
     # /Zc:throwingNew     - Let codegen assume `operator new` (without std::nothrow) will never return null
+    # /GT                 - Supports fiber safety for data allocated using static thread-local storage
     add_compile_options(
         /MP
         /Zi