diff --git a/Userland/Libraries/LibC/wchar.cpp b/Userland/Libraries/LibC/wchar.cpp
index 33813a6209..794fef19fe 100644
--- a/Userland/Libraries/LibC/wchar.cpp
+++ b/Userland/Libraries/LibC/wchar.cpp
@@ -101,7 +101,7 @@ wchar_t* wcschr(const wchar_t* str, int c)
     }
 }
 
-const wchar_t* wcsrchr(const wchar_t* str, wchar_t wc)
+wchar_t* wcsrchr(const wchar_t* str, wchar_t wc)
 {
     wchar_t* last = nullptr;
     wchar_t c;
diff --git a/Userland/Libraries/LibC/wchar.h b/Userland/Libraries/LibC/wchar.h
index 6abcbb46e6..b47b412cc3 100644
--- a/Userland/Libraries/LibC/wchar.h
+++ b/Userland/Libraries/LibC/wchar.h
@@ -32,7 +32,7 @@ wchar_t* wcsncpy(wchar_t*, const wchar_t*, size_t);
 int wcscmp(const wchar_t*, const wchar_t*);
 int wcsncmp(const wchar_t*, const wchar_t*, size_t);
 wchar_t* wcschr(const wchar_t*, int);
-const wchar_t* wcsrchr(const wchar_t*, wchar_t);
+wchar_t* wcsrchr(const wchar_t*, wchar_t);
 wchar_t* wcscat(wchar_t*, const wchar_t*);
 wchar_t* wcsncat(wchar_t*, const wchar_t*, size_t);
 wchar_t* wcstok(wchar_t*, const wchar_t*, wchar_t**);