diff --git a/lib/lvm b/lib/lvm
index 468a99a..ae6023a 100644
--- a/lib/lvm
+++ b/lib/lvm
@@ -16,7 +16,7 @@
 
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+_XTRACE_LVM=$(set +o | grep xtrace)
 set +o xtrace
 
 
@@ -182,7 +182,7 @@
 }
 
 # Restore xtrace
-$MY_XTRACE
+$_XTRACE_LVM
 
 # mode: shell-script
 # End: