diff --git a/spinnman/transceiver.py b/spinnman/transceiver.py
index 2cfebee42..255dde6ed 100644
--- a/spinnman/transceiver.py
+++ b/spinnman/transceiver.py
@@ -237,7 +237,7 @@ def __init__(
         self._bmp_connections = list()
 
         # build connection selectors for the processes.
-        self._bmp_connection_selectors = None
+        self._bmp_connection_selector = None
         self._scamp_connection_selector = \
             self.__identify_connections(connections)