diff --git a/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/negative_sign.pass.cpp b/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/negative_sign.pass.cpp
--- a/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/negative_sign.pass.cpp
+++ b/libcxx/test/std/localization/locale.categories/category.monetary/locale.moneypunct.byname/negative_sign.pass.cpp
@@ -11,8 +11,6 @@
 // REQUIRES: locale.ru_RU.UTF-8
 // REQUIRES: locale.zh_CN.UTF-8
 
-// XFAIL: LIBCXX-WINDOWS-FIXME
-
 // <locale>
 
 // class moneypunct_byname<charT, International>
@@ -81,79 +79,90 @@
     }
 #endif
 
+#if defined(_WIN32)
+    std::string sign = "()";
+    std::wstring wsign = L"()";
+#else
+    std::string sign = "-";
+    std::wstring wsign = L"-";
+#endif
     {
         Fnf f(LOCALE_en_US_UTF_8, 1);
-        assert(f.negative_sign() == "-");
+        assert(f.negative_sign() == sign);
     }
     {
         Fnt f(LOCALE_en_US_UTF_8, 1);
-        assert(f.negative_sign() == "-");
+        assert(f.negative_sign() == sign);
     }
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
     {
         Fwf f(LOCALE_en_US_UTF_8, 1);
-        assert(f.negative_sign() == L"-");
+        assert(f.negative_sign() == wsign);
     }
     {
         Fwt f(LOCALE_en_US_UTF_8, 1);
-        assert(f.negative_sign() == L"-");
+        assert(f.negative_sign() == wsign);
     }
 #endif
 
+#if defined(_WIN32)
+    sign = "-";
+    wsign = L"-";
+#endif
     {
         Fnf f(LOCALE_fr_FR_UTF_8, 1);
-        assert(f.negative_sign() == "-");
+        assert(f.negative_sign() == sign);
     }
     {
         Fnt f(LOCALE_fr_FR_UTF_8, 1);
-        assert(f.negative_sign() == "-");
+        assert(f.negative_sign() == sign);
     }
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
     {
         Fwf f(LOCALE_fr_FR_UTF_8, 1);
-        assert(f.negative_sign() == L"-");
+        assert(f.negative_sign() == wsign);
     }
     {
         Fwt f(LOCALE_fr_FR_UTF_8, 1);
-        assert(f.negative_sign() == L"-");
+        assert(f.negative_sign() == wsign);
     }
 #endif
 
     {
         Fnf f(LOCALE_ru_RU_UTF_8, 1);
-        assert(f.negative_sign() == "-");
+        assert(f.negative_sign() == sign);
     }
     {
         Fnt f(LOCALE_ru_RU_UTF_8, 1);
-        assert(f.negative_sign() == "-");
+        assert(f.negative_sign() == sign);
     }
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
     {
         Fwf f(LOCALE_ru_RU_UTF_8, 1);
-        assert(f.negative_sign() == L"-");
+        assert(f.negative_sign() == wsign);
     }
     {
         Fwt f(LOCALE_ru_RU_UTF_8, 1);
-        assert(f.negative_sign() == L"-");
+        assert(f.negative_sign() == wsign);
     }
 #endif
 
     {
         Fnf f(LOCALE_zh_CN_UTF_8, 1);
-        assert(f.negative_sign() == "-");
+        assert(f.negative_sign() == sign);
     }
     {
         Fnt f(LOCALE_zh_CN_UTF_8, 1);
-        assert(f.negative_sign() == "-");
+        assert(f.negative_sign() == sign);
     }
 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
     {
         Fwf f(LOCALE_zh_CN_UTF_8, 1);
-        assert(f.negative_sign() == L"-");
+        assert(f.negative_sign() == wsign);
     }
     {
         Fwt f(LOCALE_zh_CN_UTF_8, 1);
-        assert(f.negative_sign() == L"-");
+        assert(f.negative_sign() == wsign);
     }
 #endif