diff --git a/deploy/cleanup.sh b/deploy/cleanup.sh
index ff0bc3378..0fdb06c2a 100755
--- a/deploy/cleanup.sh
+++ b/deploy/cleanup.sh
@@ -4,6 +4,6 @@ if [ ! -d "backup" ]; then
     mkdir backup
 fi
 
-if [ -f "jx-callback.*~" ]; then
+if ls jx-callback.*~ > /dev/null 2>&1; then
     mv jx-callback.*~ backup/
-fi
+fi
\ No newline at end of file