diff --git a/lib/neutron_plugins/bigswitch_floodlight b/lib/neutron_plugins/bigswitch_floodlight
index f52105e..586ded7 100644
--- a/lib/neutron_plugins/bigswitch_floodlight
+++ b/lib/neutron_plugins/bigswitch_floodlight
@@ -4,7 +4,7 @@
 # ------------------------------------
 
 # Save trace setting
-BS_XTRACE=$(set +o | grep xtrace)
+_XTRACE_NEUTRON_BIGSWITCH=$(set +o | grep xtrace)
 set +o xtrace
 
 source $TOP_DIR/lib/neutron_plugins/ovs_base
@@ -75,4 +75,4 @@
 }
 
 # Restore xtrace
-$BS_XTRACE
+$_XTRACE_NEUTRON_BIGSWITCH