diff --git a/inventory.sh b/inventory.sh
index dd5a969..6f0721a 100755
--- a/inventory.sh
+++ b/inventory.sh
@@ -111,6 +111,8 @@ display_results() {
 
 # One line machine summary of the results
 display_summary() {
+    mv -b "$summary" "$summary".bak || true
+
     # Types: Vhost, System, Htaccess, Template
     # printf 'Hostname:\tVhost\tSystem\tHtaccess\tTemplate\tTotal\tCGI\n' >&2