diff --git a/dll/win32/kernel32/kernel32_vista/CMakeLists.txt b/dll/win32/kernel32/kernel32_vista/CMakeLists.txt
index 6221ecf4944..e6229a5b66c 100644
--- a/dll/win32/kernel32/kernel32_vista/CMakeLists.txt
+++ b/dll/win32/kernel32/kernel32_vista/CMakeLists.txt
@@ -8,6 +8,7 @@ spec2def(kernel32_vista.dll kernel32_vista.spec ADD_IMPORTLIB)
 
 list(APPEND SOURCE
     firmware.c
+    EnumSystemLocalesEx.c
     GetFileInformationByHandleEx.c
     GetTickCount64.c
     GetUserDefaultLocaleName.c
diff --git a/dll/win32/kernel32/kernel32_vista/EnumSystemLocalesEx.c b/dll/win32/kernel32/kernel32_vista/EnumSystemLocalesEx.c
new file mode 100644
index 00000000000..7d2db84bcea
--- /dev/null
+++ b/dll/win32/kernel32/kernel32_vista/EnumSystemLocalesEx.c
@@ -0,0 +1,61 @@
+/*
+ * PROJECT:     ReactOS Win32 Base API
+ * LICENSE:     LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
+ * PURPOSE:     Implementation of GetLocaleInfoEx (taken from wine-locale.c)
+ * COPYRIGHT:   Copyright 1995 Martin von Loewis
+ *              Copyright 1998 David Lee Lambert
+ *              Copyright 2000 Julio César Gázquez
+ *              Copyright 2002 Alexandre Julliard for CodeWeavers
+ */
+
+#include "k32_vista.h"
+#include <winuser.h>
+
+struct enum_locale_ex_data
+{
+    LOCALE_ENUMPROCEX proc;
+    DWORD             flags;
+    LPARAM            lparam;
+};
+
+static BOOL CALLBACK enum_locale_ex_proc( HMODULE module, LPCWSTR type,
+                                          LPCWSTR name, WORD lang, LONG_PTR lparam )
+{
+    struct enum_locale_ex_data *data = (struct enum_locale_ex_data *)lparam;
+    WCHAR buffer[256];
+    DWORD neutral;
+    unsigned int flags;
+
+    GetLocaleInfoW( MAKELCID( lang, SORT_DEFAULT ), LOCALE_SNAME | LOCALE_NOUSEROVERRIDE,
+                    buffer, sizeof(buffer) / sizeof(WCHAR) );
+    if (!GetLocaleInfoW( MAKELCID( lang, SORT_DEFAULT ),
+                         LOCALE_INEUTRAL | LOCALE_NOUSEROVERRIDE | LOCALE_RETURN_NUMBER,
+                         (LPWSTR)&neutral, sizeof(neutral) / sizeof(WCHAR) ))
+        neutral = 0;
+    flags = LOCALE_WINDOWS;
+    flags |= neutral ? LOCALE_NEUTRALDATA : LOCALE_SPECIFICDATA;
+    if (data->flags && !(data->flags & flags)) return TRUE;
+    return data->proc( buffer, flags, data->lparam );
+}
+
+/******************************************************************************
+ *           EnumSystemLocalesEx  (KERNEL32.@)
+ */
+BOOL WINAPI EnumSystemLocalesEx( LOCALE_ENUMPROCEX proc, DWORD flags, LPARAM lparam, LPVOID reserved )
+{
+    struct enum_locale_ex_data data;
+    HMODULE kernel32_handle = GetModuleHandleW(L"kernel32.dll");
+
+    if (reserved)
+    {
+        SetLastError( ERROR_INVALID_PARAMETER );
+        return FALSE;
+    }
+    data.proc   = proc;
+    data.flags  = flags;
+    data.lparam = lparam;
+    EnumResourceLanguagesW( kernel32_handle, (LPCWSTR)RT_STRING,
+                            (LPCWSTR)MAKEINTRESOURCE((LOCALE_SNAME >> 4) + 1),
+                            enum_locale_ex_proc, (LONG_PTR)&data );
+    return TRUE;
+}
diff --git a/dll/win32/kernel32/kernel32_vista/kernel32_vista.spec b/dll/win32/kernel32/kernel32_vista/kernel32_vista.spec
index 4e363fc1d50..d86ff4c7096 100644
--- a/dll/win32/kernel32/kernel32_vista/kernel32_vista.spec
+++ b/dll/win32/kernel32/kernel32_vista/kernel32_vista.spec
@@ -31,6 +31,7 @@
 @ stdcall ApplicationRecoveryInProgress(ptr)
 @ stdcall CreateSymbolicLinkA(str str long)
 @ stdcall CreateSymbolicLinkW(wstr wstr long)
+@ stdcall EnumSystemLocalesEx(ptr long long ptr)
 @ stdcall GetApplicationRecoveryCallback(ptr ptr ptr ptr ptr)
 @ stdcall GetApplicationRestart(ptr wstr ptr ptr)
 @ stdcall GetFileBandwidthReservation(ptr ptr ptr ptr ptr ptr)
diff --git a/dll/win32/kernel32/winnls/string/locale.c b/dll/win32/kernel32/winnls/string/locale.c
index 8033e97138d..c8862e2a447 100644
--- a/dll/win32/kernel32/winnls/string/locale.c
+++ b/dll/win32/kernel32/winnls/string/locale.c
@@ -3011,6 +3011,7 @@ struct enum_locale_ex_data
     LPARAM            lparam;
 };
 
+#if 0
 static BOOL CALLBACK enum_locale_ex_proc( HMODULE module, LPCWSTR type,
                                           LPCWSTR name, WORD lang, LONG_PTR lparam )
 {
@@ -3051,7 +3052,7 @@ BOOL WINAPI EnumSystemLocalesEx( LOCALE_ENUMPROCEX proc, DWORD flags, LPARAM lpa
                             enum_locale_ex_proc, (LONG_PTR)&data );
     return TRUE;
 }
-
+#endif
 
 /***********************************************************************
  *           VerLanguageNameA  (KERNEL32.@)