diff --git a/sdk/lib/crt/wine/heap.c b/sdk/lib/crt/wine/heap.c
index 66fcf5b4b82..88db61657c4 100644
--- a/sdk/lib/crt/wine/heap.c
+++ b/sdk/lib/crt/wine/heap.c
@@ -456,6 +456,14 @@ void* CDECL MSVCRT_malloc(MSVCRT_size_t size)
   return ret;
 }
 
+/*********************************************************************
+ *                  _malloc_base (UCRTBASE.@)
+ */
+void* CDECL _malloc_base(MSVCRT_size_t size)
+{
+  return MSVCRT_malloc(size);
+}
+
 /*********************************************************************
  *		realloc (MSVCRT.@)
  */