diff --git a/libs/vmconfig/src/lib.rs b/libs/vmconfig/src/lib.rs
index 7c917b0..1413b51 100644
--- a/libs/vmconfig/src/lib.rs
+++ b/libs/vmconfig/src/lib.rs
@@ -65,6 +65,8 @@
     /// SysFS paths of devices assigned to the VM.
     #[serde(default)]
     pub devices: Vec<PathBuf>,
+    /// The serial device for VM console input.
+    pub console_input_device: Option<String>,
 }
 
 impl VmConfig {
@@ -124,6 +126,7 @@
                     x.to_str().map(String::from).ok_or(anyhow!("Failed to convert {x:?} to String"))
                 })
                 .collect::<Result<_>>()?,
+            consoleInputDevice: self.console_input_device.clone(),
             ..Default::default()
         })
     }