diff --git a/fvm/src/call_manager/default.rs b/fvm/src/call_manager/default.rs
index 8611365e5..06a3b71e6 100644
--- a/fvm/src/call_manager/default.rs
+++ b/fvm/src/call_manager/default.rs
@@ -513,6 +513,10 @@ where
 
         Ok(())
     }
+
+    fn log(&mut self, msg: String) {
+        self.trace(ExecutionEvent::Log(msg))
+    }
 }
 
 impl<M> DefaultCallManager<M>
diff --git a/fvm/src/call_manager/mod.rs b/fvm/src/call_manager/mod.rs
index b8d217e39..80b5ed936 100644
--- a/fvm/src/call_manager/mod.rs
+++ b/fvm/src/call_manager/mod.rs
@@ -174,6 +174,9 @@ pub trait CallManager: 'static {
 
     /// Appends an event to the event accumulator.
     fn append_event(&mut self, evt: StampedEvent);
+
+    /// log
+    fn log(&mut self, msg: String);
 }
 
 /// The result of calling actor's entrypoint
diff --git a/fvm/src/kernel/default.rs b/fvm/src/kernel/default.rs
index 209c05f28..c89a40ee0 100644
--- a/fvm/src/kernel/default.rs
+++ b/fvm/src/kernel/default.rs
@@ -951,8 +951,8 @@ impl<C> DebugOps for DefaultKernel<C>
 where
     C: CallManager,
 {
-    fn log(&self, msg: String) {
-        println!("{}", msg)
+    fn log(&mut self, msg: String) {
+        self.call_manager.log(msg)
     }
 
     fn debug_enabled(&self) -> bool {
diff --git a/fvm/src/kernel/mod.rs b/fvm/src/kernel/mod.rs
index a268dd8a0..07e5acaf9 100644
--- a/fvm/src/kernel/mod.rs
+++ b/fvm/src/kernel/mod.rs
@@ -285,7 +285,7 @@ pub trait RandomnessOps {
 #[delegatable_trait]
 pub trait DebugOps {
     /// Log a message.
-    fn log(&self, msg: String);
+    fn log(&mut self, msg: String);
 
     /// Returns whether debug mode is enabled.
     fn debug_enabled(&self) -> bool;
diff --git a/fvm/src/trace/mod.rs b/fvm/src/trace/mod.rs
index 30f5c03c2..370828b19 100644
--- a/fvm/src/trace/mod.rs
+++ b/fvm/src/trace/mod.rs
@@ -38,4 +38,5 @@ pub enum ExecutionEvent {
         id: ActorID,
         state: ActorState,
     },
+    Log(String),
 }
diff --git a/fvm/tests/dummy.rs b/fvm/tests/dummy.rs
index 765ee7aba..f3d25a179 100644
--- a/fvm/tests/dummy.rs
+++ b/fvm/tests/dummy.rs
@@ -404,4 +404,8 @@ impl CallManager for DummyCallManager {
     ) -> fvm::kernel::Result<()> {
         todo!()
     }
+
+    fn log(&mut self, _msg: String) {
+        todo!()
+    }
 }