diff --git a/lib/cinder_plugins/nfs b/lib/cinder_plugins/nfs
index 83b3993..6e4ffe0 100644
--- a/lib/cinder_plugins/nfs
+++ b/lib/cinder_plugins/nfs
@@ -15,7 +15,7 @@
 # configure_cinder_driver - make configuration changes, including those to other services
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+_XTRACE_CINDER_NFS=$(set +o | grep xtrace)
 set +o xtrace
 
 
@@ -36,7 +36,7 @@
 }
 
 # Restore xtrace
-$MY_XTRACE
+$_XTRACE_CINDER_NFS
 
 # Local variables:
 # mode: shell-script