diff --git a/adi/ad7689.py b/adi/ad7689.py
index 3ba1b133d..30951c903 100644
--- a/adi/ad7689.py
+++ b/adi/ad7689.py
@@ -73,7 +73,7 @@ def __init__(self, uri="", device_name=""):
                 self._rxadc = device
                 break
 
-        for ch in self._ctrl._channels:
+        for ch in self._ctrl.channels:
             name = ch._id
             self._rx_channel_names.append(name)
             self.channel.append(self._channel(self._ctrl, name))