diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index 895fa7960..c9f2ca097 100644
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -327,7 +327,7 @@ function configure_inspector {
     if [[ "$IRONIC_INSPECTOR_STANDALONE" == "False" ]]; then
       # memcached listens localhost instead of $SERVICE_HOST, which is exactly the default value,
       # but set explicitly in case that changed.
-      inspector_iniset coordination backend_url "memcached://localhost:11211"
+      inspector_iniset coordination backend_url "memcached://127.0.0.1:11211"
     fi
 
     if is_service_enabled swift; then
diff --git a/zuul.d/ironic-inspector-jobs.yaml b/zuul.d/ironic-inspector-jobs.yaml
index c2d2860b1..ee05038f7 100644
--- a/zuul.d/ironic-inspector-jobs.yaml
+++ b/zuul.d/ironic-inspector-jobs.yaml
@@ -57,6 +57,7 @@
       devstack_localrc:
         USE_PYTHON3: True
         IRONIC_INSPECTOR_STANDALONE: False
+        MEMCACHE_SERVERS: 127.0.0.1:11211
       devstack_services:
         s-account: True
         s-container: True