diff --git a/devstack/settings b/devstack/settings
index 986892d3b..45cb7cd1c 100644
--- a/devstack/settings
+++ b/devstack/settings
@@ -18,7 +18,7 @@ AODH_BACKEND=${AODH_BACKEND:-mysql}
 
 # Aodh connection info.
 AODH_SERVICE_PROTOCOL=http
-AODH_SERVICE_HOST=$SERVICE_HOST
+AODH_SERVICE_HOST=${AODH_SERVICE_HOST:-$SERVICE_HOST}
 AODH_SERVICE_PORT=${AODH_SERVICE_PORT:-8042}
 
 # AODH_DEPLOY defines how Aodh is deployed, allowed values: