diff --git a/how-to-disable-cups-printer-job-history-on-macos/README.md b/how-to-disable-cups-printer-job-history-on-macos/README.md
index db043f2..de6ce91 100644
--- a/how-to-disable-cups-printer-job-history-on-macos/README.md
+++ b/how-to-disable-cups-printer-job-history-on-macos/README.md
@@ -41,7 +41,7 @@ cat << "EOF" > /usr/local/sbin/cups.sh
 
 set -e
 
-if cupsctl | grep PreserveJobHistory=no > /dev/null 2>&1; then
+if cupsctl | grep --quiet PreserveJobHistory=no; then
   exit 0
 fi