diff --git a/savevm.c b/savevm.c
index 2f631d4045cd45ce03b639897dafe459cf3cafd9..3f912ddcf9919ca9060a6fb385d9ee398139f24a 100644
--- a/savevm.c
+++ b/savevm.c
@@ -794,7 +794,7 @@ void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
         if (l > size)
             l = size;
         memcpy(f->buf + f->buf_index, buf, l);
-        f->bytes_xfer += size;
+        f->bytes_xfer += l;
         if (f->ops->writev_buffer) {
             add_to_iovec(f, f->buf + f->buf_index, l);
         }