diff --git a/source/blender/blenloader/intern/readfile.h b/source/blender/blenloader/intern/readfile.h
index a1af4bfad16..42b79a4a3f9 100644
--- a/source/blender/blenloader/intern/readfile.h
+++ b/source/blender/blenloader/intern/readfile.h
@@ -53,7 +53,7 @@ enum eFileDataFlag {
 #  pragma GCC poison off_t
 #endif
 
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) || defined(__APPLE__)
 typedef int64_t off64_t;
 #endif