diff --git a/libafl/src/events/llmp/restarting.rs b/libafl/src/events/llmp/restarting.rs
index 6addd8e6c4..370b4ca39a 100644
--- a/libafl/src/events/llmp/restarting.rs
+++ b/libafl/src/events/llmp/restarting.rs
@@ -3,7 +3,7 @@
 //! When the target crashes, a watch process (the parent) will
 //! restart/refork it.
 
-use alloc::vec::Vec;
+use alloc::{boxed::Box, vec::Vec};
 #[cfg(all(unix, not(miri), feature = "std"))]
 use core::ptr::addr_of_mut;
 #[cfg(feature = "std")]
@@ -36,7 +36,7 @@ use serde::{Deserialize, Serialize};
 use typed_builder::TypedBuilder;
 
 #[cfg(feature = "std")]
-use crate::events::AdaptiveSerializer;
+use crate::events::{AdaptiveSerializer, CustomBufEventResult, HasCustomBufHandlers};
 #[cfg(all(unix, feature = "std", not(miri)))]
 use crate::events::EVENTMGR_SIGHANDLER_STATE;
 use crate::{
@@ -251,6 +251,20 @@ where
     }
 }
 
+#[cfg(feature = "std")]
+impl<EMH, S, SP> HasCustomBufHandlers for LlmpRestartingEventManager<EMH, S, SP>
+where
+    S: State,
+    SP: ShMemProvider,
+{
+    fn add_custom_buf_handler(
+        &mut self,
+        handler: Box<dyn FnMut(&mut S, &str, &[u8]) -> Result<CustomBufEventResult, Error>>,
+    ) {
+        self.llmp_mgr.add_custom_buf_handler(handler);
+    }
+}
+
 /// The llmp connection from the actual fuzzer to the process supervising it
 const _ENV_FUZZER_SENDER: &str = "_AFL_ENV_FUZZER_SENDER";
 const _ENV_FUZZER_RECEIVER: &str = "_AFL_ENV_FUZZER_RECEIVER";