diff --git a/gbpservice/neutron/plugins/ml2plus/drivers/apic_aim/cache.py b/gbpservice/neutron/plugins/ml2plus/drivers/apic_aim/cache.py
index e5b00dce8..fbcaff1f0 100644
--- a/gbpservice/neutron/plugins/ml2plus/drivers/apic_aim/cache.py
+++ b/gbpservice/neutron/plugins/ml2plus/drivers/apic_aim/cache.py
@@ -40,8 +40,15 @@ class ProjectDetailsCache(object):
         self.project_details = {}
         self.keystone = None
         self.gbp = None
-        self.enable_neutronclient_internal_ep_interface = (
-            cfg.CONF.ml2_apic_aim.enable_neutronclient_internal_ep_interface)
+        # This is needed for the legacy GBP plugin, which also
+        # uses the cache. This can be reverted once newton support
+        # is dropped
+        if hasattr(cfg.CONF, 'ml2_apic_aim'):
+            ml2_cfg = cfg.CONF.ml2_apic_aim
+            self.enable_neutronclient_internal_ep_interface = (
+                ml2_cfg.enable_neutronclient_internal_ep_interface)
+        else:
+            self.enable_neutronclient_internal_ep_interface = False
 
     def _get_keystone_client(self):
         # REVISIT: It seems load_from_conf_options() and