diff --git a/commands2/button/trigger.py b/commands2/button/trigger.py
index 400a188..03431df 100644
--- a/commands2/button/trigger.py
+++ b/commands2/button/trigger.py
@@ -129,16 +129,17 @@ def onChange(self, command: Command) -> Self:
         :param command: the command t start
         :returns: this trigger, so calls can be chained
         """
-        self._last_pressed = self._condition()
+
+        state = SimpleNamespace(pressed_last=self._condition())
 
         @self._loop.bind
         def _():
             pressed = self._condition()
 
-            if this._last_pressed != pressed:
+            if self.pressed_last != pressed:
                 command.schedule()
 
-            this._last_pressed = pressed
+            self.pressed_last = pressed
 
         return self