diff --git a/dll/win32/kernel32/winnls/string/locale.c b/dll/win32/kernel32/winnls/string/locale.c
index dea44b16ddf..3a26c757d73 100644
--- a/dll/win32/kernel32/winnls/string/locale.c
+++ b/dll/win32/kernel32/winnls/string/locale.c
@@ -1790,7 +1790,7 @@ INT WINAPI GetLocaleInfoEx(LPCWSTR locale, LCTYPE info, LPWSTR buffer, INT len)
     if (!lcid) return 0;
 
     /* special handling for neutral locale names */
-    if (info == LOCALE_SNAME && strlenW(locale) == 2)
+    if (info == LOCALE_SNAME && locale && strlenW(locale) == 2)
     {
         if (len && len < 3)
         {