diff --git a/lib/glance b/lib/glance
index eb1df2e..8400ca1 100755
--- a/lib/glance
+++ b/lib/glance
@@ -112,7 +112,7 @@
     if is_service_enabled qpid || [ -n "$RABBIT_HOST" ] && [ -n "$RABBIT_PASSWORD" ]; then
         iniset $GLANCE_REGISTRY_CONF DEFAULT notification_driver messaging
     fi
-    iniset_rpc_backend glance $GLANCE_REGISTRY_CONF DEFAULT
+    iniset_rpc_backend glance $GLANCE_REGISTRY_CONF
 
     cp $GLANCE_DIR/etc/glance-api.conf $GLANCE_API_CONF
     iniset $GLANCE_API_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
@@ -125,7 +125,7 @@
     if is_service_enabled qpid || [ -n "$RABBIT_HOST" ] && [ -n "$RABBIT_PASSWORD" ]; then
         iniset $GLANCE_API_CONF DEFAULT notification_driver messaging
     fi
-    iniset_rpc_backend glance $GLANCE_API_CONF DEFAULT
+    iniset_rpc_backend glance $GLANCE_API_CONF
     if [ "$VIRT_DRIVER" = 'xenserver' ]; then
         iniset $GLANCE_API_CONF DEFAULT container_formats "ami,ari,aki,bare,ovf,tgz"
         iniset $GLANCE_API_CONF DEFAULT disk_formats "ami,ari,aki,vhd,raw,iso"