diff --git a/sdk/lib/crt/wine/heap.c b/sdk/lib/crt/wine/heap.c
index d708d60117a..85a2c81062b 100644
--- a/sdk/lib/crt/wine/heap.c
+++ b/sdk/lib/crt/wine/heap.c
@@ -849,7 +849,7 @@ int CDECL wmemcpy_s(MSVCRT_wchar_t *dest, MSVCRT_size_t numberOfElements,
         return MSVCRT_ERANGE;
     }
 
-    memcpy(dest, src, sizeof(MSVCRT_wchar_t)*count);
+    memmove(dest, src, sizeof(MSVCRT_wchar_t)*count);
     return 0;
 }
 #endif