diff --git a/lib/neutron_plugins/openvswitch_agent b/lib/neutron_plugins/openvswitch_agent
index 3a2bdc3..33ca17a 100644
--- a/lib/neutron_plugins/openvswitch_agent
+++ b/lib/neutron_plugins/openvswitch_agent
@@ -2,7 +2,7 @@
 # -----------------------------
 
 # Save trace setting
-PLUGIN_XTRACE=$(set +o | grep xtrace)
+OVSA_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 source $TOP_DIR/lib/neutron_plugins/ovs_base
@@ -128,4 +128,4 @@
 }
 
 # Restore xtrace
-$PLUGIN_XTRACE
+$OVSA_XTRACE