diff --git a/lib/cinder_plugins/vsphere b/lib/cinder_plugins/vsphere
index f14ddf0..1b28ffe 100644
--- a/lib/cinder_plugins/vsphere
+++ b/lib/cinder_plugins/vsphere
@@ -15,7 +15,7 @@
 # configure_cinder_driver - make configuration changes, including those to other services
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+_XTRACE_CINDER_VSPHERE=$(set +o | grep xtrace)
 set +o xtrace
 
 
@@ -37,7 +37,7 @@
 }
 
 # Restore xtrace
-$MY_XTRACE
+$_XTRACE_CINDER_VSPHERE
 
 # Local variables:
 # mode: shell-script