diff --git a/util/BUILD.toplevel b/util/BUILD.toplevel
index 2067864424..48dc920683 100644
--- a/util/BUILD.toplevel
+++ b/util/BUILD.toplevel
@@ -121,7 +121,7 @@ boringssl_copts = [
 }) + asm_copts
 
 boringssl_copts_c11 = boringssl_copts + select({
-    "@platforms//os:windows": [],
+    "@platforms//os:windows": ["/std:c11"],
     "//conditions:default": gcc_copts_c11,
 })