diff --git a/bin/sys_refresh_ref_cron.sh b/bin/sys_refresh_ref_cron.sh
index e5b126b..d493016 100755
--- a/bin/sys_refresh_ref_cron.sh
+++ b/bin/sys_refresh_ref_cron.sh
@@ -151,10 +151,10 @@ function get_cronjobs
         COLOR="blanc"
         MESSAGE="      - ${CRONJOB}"
         case ${CRONJOB} in
-        '*run-parts*')
+        "'*run-parts*'")
           COLOR="cyan"
         ;;
-        '*no crontab for*')
+        "'*no crontab for*'")
           COLOR="bleu"
         ;;
         esac