diff --git a/management/daily_tasks.sh b/management/daily_tasks.sh
index db496399..0f7bcdc8 100755
--- a/management/daily_tasks.sh
+++ b/management/daily_tasks.sh
@@ -11,7 +11,7 @@ export LC_TYPE=en_US.UTF-8
 
 # On Mondays, i.e. once a week, send the administrator a report of total emails
 # sent and received so the admin might notice server abuse.
-if [ `date "+%u"` -eq 1 ]; then
+if [ $(date "+%u") -eq 1 ]; then
     management/mail_log.py -t week | management/email_administrator.py "Mail-in-a-Box Usage Report"
 fi
 
diff --git a/tools/archive_conf_files.sh b/tools/archive_conf_files.sh
index 28b6b24f..299387ec 100644
--- a/tools/archive_conf_files.sh
+++ b/tools/archive_conf_files.sh
@@ -1,6 +1,6 @@
 # Use this script to make an archive of the contents of all
 # of the configuration files we edit with editconf.py.
-for fn in `grep -hr editconf.py setup | sed "s/tools\/editconf.py //" | sed "s/ .*//" | sort | uniq`; do
+for fn in $(grep -hr editconf.py setup | sed "s/tools\/editconf.py //" | sed "s/ .*//" | sort | uniq); do
 	echo ======================================================================
 	echo $fn
 	echo ======================================================================