diff --git a/script/device/Pixel.py b/script/device/Pixel.py
index 177e935..3d9c3a3 100644
--- a/script/device/Pixel.py
+++ b/script/device/Pixel.py
@@ -60,7 +60,7 @@ class Pixel(DeviceBase, Readable, Readable.IntegerType):
 
     def assert_ready(self):
          if not self.is_connected():
-                if not try_connect():
+                if not self.try_connect():
                     raise Exception (self.name + " not connected")
          err = self.get_error_code()
          if err!=0: