diff --git a/test/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_1.pass.cpp b/test/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_1.pass.cpp
index 98bd6dc3..904ced32 100644
--- a/test/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_1.pass.cpp
+++ b/test/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_1.pass.cpp
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 // REQUIRES: locale.en_US.UTF-8
-// REQUIRES: locale.fr_CA.UTF-8
+// REQUIRES: locale.fr_CA.ISO8859-1
 
 // <locale>
 
diff --git a/test/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_many.pass.cpp b/test/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_many.pass.cpp
index 0162a6f2..6f25b9ca 100644
--- a/test/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_many.pass.cpp
+++ b/test/localization/locale.categories/category.ctype/locale.ctype.byname/narrow_many.pass.cpp
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 // REQUIRES: locale.en_US.UTF-8
-// REQUIRES: locale.fr_CA.UTF-8
+// REQUIRES: locale.fr_CA.ISO8859-1
 
 // <locale>