diff --git a/lib/neutron-legacy b/lib/neutron-legacy
index 59f37fd009..c6edc7a471 100644
--- a/lib/neutron-legacy
+++ b/lib/neutron-legacy
@@ -979,7 +979,7 @@ function _configure_neutron_dhcp_agent {
     iniset $Q_DHCP_CONF_FILE DEFAULT verbose True
     iniset $Q_DHCP_CONF_FILE DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     iniset $Q_DHCP_CONF_FILE DEFAULT use_namespaces $Q_USE_NAMESPACE
-    iniset $Q_DHCP_CONF_FILE DEFAULT root_helper "$Q_RR_COMMAND"
+    iniset $Q_DHCP_CONF_FILE agent root_helper "$Q_RR_COMMAND"
     if [[ "$Q_USE_ROOTWRAP_DAEMON" == "True" ]]; then
         iniset $Q_DHCP_CONF_FILE agent root_helper_daemon "$Q_RR_DAEMON_COMMAND"
     fi
@@ -1014,7 +1014,7 @@ function _configure_neutron_l3_agent {
     iniset $Q_L3_CONF_FILE DEFAULT verbose True
     iniset $Q_L3_CONF_FILE DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     iniset $Q_L3_CONF_FILE DEFAULT use_namespaces $Q_USE_NAMESPACE
-    iniset $Q_L3_CONF_FILE DEFAULT root_helper "$Q_RR_COMMAND"
+    iniset $Q_L3_CONF_FILE agent root_helper "$Q_RR_COMMAND"
     if [[ "$Q_USE_ROOTWRAP_DAEMON" == "True" ]]; then
         iniset $Q_L3_CONF_FILE agent root_helper_daemon "$Q_RR_DAEMON_COMMAND"
     fi
@@ -1038,7 +1038,7 @@ function _configure_neutron_metadata_agent {
     iniset $Q_META_CONF_FILE DEFAULT verbose True
     iniset $Q_META_CONF_FILE DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     iniset $Q_META_CONF_FILE DEFAULT nova_metadata_ip $Q_META_DATA_IP
-    iniset $Q_META_CONF_FILE DEFAULT root_helper "$Q_RR_COMMAND"
+    iniset $Q_META_CONF_FILE agent root_helper "$Q_RR_COMMAND"
     if [[ "$Q_USE_ROOTWRAP_DAEMON" == "True" ]]; then
         iniset $Q_META_CONF_FILE agent root_helper_daemon "$Q_RR_DAEMON_COMMAND"
     fi