diff --git a/lib/glance b/lib/glance
index 2eb93a4..eb5832e 100644
--- a/lib/glance
+++ b/lib/glance
@@ -21,7 +21,7 @@
 # - cleanup_glance
 
 # Save trace setting
-XTRACE=$(set +o | grep xtrace)
+_XTRACE_GLANCE=$(set +o | grep xtrace)
 set +o xtrace
 
 
@@ -403,7 +403,7 @@
 }
 
 # Restore xtrace
-$XTRACE
+$_XTRACE_GLANCE
 
 # Tell emacs to use shell-script-mode
 ## Local variables: