diff --git a/AK/MappedFile.cpp b/AK/MappedFile.cpp
index 6323c1bb93..38e13f3d82 100644
--- a/AK/MappedFile.cpp
+++ b/AK/MappedFile.cpp
@@ -15,7 +15,7 @@
 
 namespace AK {
 
-Result<NonnullRefPtr<MappedFile>, OSError> MappedFile::map(const String& path)
+Result<NonnullRefPtr<MappedFile>, OSError> MappedFile::map(String const& path)
 {
     int fd = open(path.characters(), O_RDONLY | O_CLOEXEC, 0);
     if (fd < 0)
diff --git a/AK/MappedFile.h b/AK/MappedFile.h
index 9002d8beb1..2dcf197a9e 100644
--- a/AK/MappedFile.h
+++ b/AK/MappedFile.h
@@ -19,7 +19,7 @@ class MappedFile : public RefCounted<MappedFile> {
     AK_MAKE_NONMOVABLE(MappedFile);
 
 public:
-    static Result<NonnullRefPtr<MappedFile>, OSError> map(const String& path);
+    static Result<NonnullRefPtr<MappedFile>, OSError> map(String const& path);
     static Result<NonnullRefPtr<MappedFile>, OSError> map_from_fd_and_close(int fd, String const& path);
     ~MappedFile();