diff --git a/controller/state/changer.py b/controller/state/changer.py
index 0beacf3..3c6f4f0 100644
--- a/controller/state/changer.py
+++ b/controller/state/changer.py
@@ -25,8 +25,8 @@ class Changer(object):
         }
 
     def stop_everything(self):
-        self.close_in_valve
-        self.close_out_valve
+        self.close_in_valve()
+        self.close_out_valve()
 
     def safe_remote_state(self, key):
         if key in ['out_valve', 'in_valve']: