diff --git a/src/command.rs b/src/command.rs
index bced27d..1634de3 100644
--- a/src/command.rs
+++ b/src/command.rs
@@ -24,7 +24,7 @@ pub trait Command {
 
 pub struct CommandSequence {
     command: Box<dyn Command>,
-    next_command: Option<Box<dyn Command>>,
+    next_command: Option<Box<CommandSequence>>,
 }
 
 impl CommandSequence {
@@ -34,6 +34,14 @@ impl CommandSequence {
             next_command: None,
         }
     }
+
+    pub fn add(&mut self, command: impl Command + 'static) {
+        if self.next_command.is_none() {
+            self.next_command = Some(Box::new(CommandSequence::new(command)));
+        } else {
+            self.next_command.as_mut().unwrap().add(command);
+        }
+    }
 }
 
 impl Command for CommandSequence {