Use Common::ToLower and Common::ToUpper

1 files changed, 2 insertions, 6 deletions

diff --git a/Source/Core/DiscIO/FileSystemGCWii.cpp b/Source/Core/DiscIO/FileSystemGCWii.cpp
index ed4c11d9a8..4090a9882d 100644
--- a/Source/Core/DiscIO/FileSystemGCWii.cpp
+++ b/Source/Core/DiscIO/FileSystemGCWii.cpp
@@ -146,13 +146,9 @@ bool FileInfoGCWii::NameCaseInsensitiveEquals(std::string_view other) const
       // other is in UTF-8 and this is in Shift-JIS, so we convert so that we can compare correctly
       const std::string this_utf8 = SHIFTJISToUTF8(this_ptr);
       return std::equal(this_utf8.cbegin(), this_utf8.cend(), other.cbegin() + i, other.cend(),
-                        [](char a, char b) {
-                          return std::tolower(a, std::locale::classic()) ==
-                                 std::tolower(b, std::locale::classic());
-                        });
+                        [](char a, char b) { return Common::ToLower(a) == Common::ToLower(b); });
     }
-    else if (std::tolower(*this_ptr, std::locale::classic()) !=
-             std::tolower(*other_ptr, std::locale::classic()))
+    else if (Common::ToLower(*this_ptr) != Common::ToLower(*other_ptr))
     {
       return false;
     }