diff --git a/spynnaker/spynnaker.cfg b/spynnaker/spynnaker.cfg
index 09558f630f..ea7e3aca04 100644
--- a/spynnaker/spynnaker.cfg
+++ b/spynnaker/spynnaker.cfg
@@ -113,6 +113,7 @@ requires_wrap_arounds = None
 #    <core_id> is the virtual core id of a core
 down_cores = None
 down_chips = None
+down_links = None
 core_limit = None
 machineTimeStep = 1000
 timeScaleFactor = None