diff --git a/clang/lib/Headers/mm_malloc.h b/clang/lib/Headers/mm_malloc.h
index ec9236204bb9349e55e44e98db99541989e6eae3..5fa17618722799972868f87e0eee52d5b55b3e5a 100644
--- a/clang/lib/Headers/mm_malloc.h
+++ b/clang/lib/Headers/mm_malloc.h
@@ -53,7 +53,9 @@ _mm_malloc(size_t size, size_t align)
     align = sizeof(void *);
 
   void *mallocedMemory;
-#ifdef _WIN32
+#if defined(__MINGW32__)
+  mallocedMemory = __mingw_aligned_malloc(size, align);
+#elif defined(_WIN32)
   mallocedMemory = _aligned_malloc(size, align);
 #else
   if (posix_memalign(&mallocedMemory, align, size))