diff --git a/lib/neutron_plugins/cisco b/lib/neutron_plugins/cisco
index 7d0cf1a..fc2cb8a 100644
--- a/lib/neutron_plugins/cisco
+++ b/lib/neutron_plugins/cisco
@@ -4,7 +4,7 @@
 # ---------------------------
 
 # Save trace setting
-CISCO_XTRACE=$(set +o | grep xtrace)
+_XTRACE_NEUTRON_CISCO=$(set +o | grep xtrace)
 set +o xtrace
 
 # Scecify the VSM parameters
@@ -154,4 +154,4 @@
 }
 
 # Restore xtrace
-$CISCO_XTRACE
+$_XTRACE_NEUTRON_CISCO