1 files changed, 4 insertions, 0 deletions
diff --git a/source/blender/blenloader/intern/undofile.c b/source/blender/blenloader/intern/undofile.c
index 4da73138c38..92aec13ecf1 100644
--- a/source/blender/blenloader/intern/undofile.c
+++ b/source/blender/blenloader/intern/undofile.c
@@ -252,7 +252,11 @@ bool BLO_memfile_write_file(struct MemFile *memfile, const char *filename)
   }
 
   for (chunk = memfile->chunks.first; chunk; chunk = chunk->next) {
+#ifdef _WIN32
+    if ((size_t)write(file, chunk->buf, (uint)chunk->size) != chunk->size) {
+#else
     if ((size_t)write(file, chunk->buf, chunk->size) != chunk->size) {
+#endif
       break;
     }
   }