diff --git a/lib/Support/Windows/PathV2.inc b/lib/Support/Windows/PathV2.inc
index a631bc6fbaa..b36b291c395 100644
--- a/lib/Support/Windows/PathV2.inc
+++ b/lib/Support/Windows/PathV2.inc
@@ -525,7 +525,7 @@ error_code unique_file(const Twine &model, int &result_fd,
                               NULL,
                               NULL,
                               PROV_RSA_FULL,
-                              0))
+                              CRYPT_VERIFYCONTEXT))
     return windows_error(::GetLastError());
   ScopedCryptContext CryptoProvider(HCPC);