diff --git a/lib/neutron b/lib/neutron
index 2c6f53b..73694d1 100644
--- a/lib/neutron
+++ b/lib/neutron
@@ -161,7 +161,7 @@
 # If using GRE tunnels for tenant networks, specify the range of
 # tunnel IDs from which tenant networks are allocated. Can be
 # overriden in ``localrc`` in necesssary.
-TENANT_TUNNEL_RANGES=${TENANT_TUNNEL_RANGE:-1:1000}
+TENANT_TUNNEL_RANGES=${TENANT_TUNNEL_RANGES:-1:1000}
 
 # To use VLANs for tenant networks, set to True in localrc. VLANs
 # are supported by the openvswitch and linuxbridge plugins, each