diff --git a/vhost-user-backend/src/handler.rs b/vhost-user-backend/src/handler.rs
index c63bc93..393156f 100644
--- a/vhost-user-backend/src/handler.rs
+++ b/vhost-user-backend/src/handler.rs
@@ -12,6 +12,7 @@ use std::os::unix::io::AsRawFd;
 use std::sync::Arc;
 use std::thread;
 
+use crate::bitmap::BitmapReplace;
 #[cfg(feature = "postcopy")]
 use userfaultfd::{Uffd, UffdBuilder};
 use vhost::vhost_user::message::{
@@ -230,7 +231,7 @@ where
 
 impl<T: VhostUserBackend> VhostUserBackendReqHandlerMut for VhostUserHandler<T>
 where
-    T::Bitmap: NewBitmap + Clone,
+    T::Bitmap: BitmapReplace + NewBitmap + Clone,
 {
     fn set_owner(&mut self) -> VhostUserResult<()> {
         if self.owned {
diff --git a/vhost-user-backend/src/lib.rs b/vhost-user-backend/src/lib.rs
index e4f8a86..d6cfbf9 100644
--- a/vhost-user-backend/src/lib.rs
+++ b/vhost-user-backend/src/lib.rs
@@ -29,6 +29,7 @@ mod handler;
 pub use self::handler::VhostUserHandlerError;
 
 pub mod bitmap;
+use crate::bitmap::BitmapReplace;
 
 mod vring;
 pub use self::vring::{
@@ -97,7 +98,7 @@ pub struct VhostUserDaemon<T: VhostUserBackend> {
 impl<T> VhostUserDaemon<T>
 where
     T: VhostUserBackend + Clone + 'static,
-    T::Bitmap: NewBitmap + Clone + Send + Sync,
+    T::Bitmap: BitmapReplace + NewBitmap + Clone + Send + Sync,
     T::Vring: Clone + Send + Sync,
 {
     /// Create the daemon instance, providing the backend implementation of `VhostUserBackend`.