diff --git a/commons/zenoh-codec/src/core/shm.rs b/commons/zenoh-codec/src/core/shm.rs
index f91e6a02fd..874e8531a2 100644
--- a/commons/zenoh-codec/src/core/shm.rs
+++ b/commons/zenoh-codec/src/core/shm.rs
@@ -43,12 +43,14 @@ where
             length,
             shm_manager,
             kind,
+            watchdog_descriptor,
         } = x;
 
         self.write(&mut *writer, offset)?;
         self.write(&mut *writer, length)?;
         self.write(&mut *writer, shm_manager.as_str())?;
         self.write(&mut *writer, kind)?;
+        self.write(&mut *writer, &watchdog_descriptor)?;
         Ok(())
     }
 }