diff --git a/src/txbuf.rs b/src/txbuf.rs
index ef718d7..b18c80f 100644
--- a/src/txbuf.rs
+++ b/src/txbuf.rs
@@ -2,7 +2,7 @@

 use std::{io::Write, num::Wrapping};

-use vm_memory::{bitmap::BitmapSlice, VolatileSlice};
+use vm_memory::{bitmap::BitmapSlice, VolatileMemory, VolatileSlice};

 use crate::vhu_vsock::{Error, Result};

@@ -55,7 +55,11 @@ impl LocalTxBuf {
         // Check if there is more data to be wrapped around
         if len < data_buf.len() {
             let remain_txbuf = &mut self.buf[..(data_buf.len() - len)];
-            data_buf.copy_to(remain_txbuf);
+            // SAFETY ok to unwrap because len < data_buf.len()
+            data_buf
+                .get_slice(len, data_buf.len() - len)
+                .unwrap()
+                .copy_to(remain_txbuf);
         }

         // Increment tail by the amount of data that has been added to the buffer