diff --git a/blocklist-update.sh b/blocklist-update.sh
index 824f5f9..b18320a 100755
--- a/blocklist-update.sh
+++ b/blocklist-update.sh
@@ -25,7 +25,7 @@ if [ ! -f $GREP_PATH ]; then echo "Cannot find [ grep ]. Is it installed? Exitin
 MAILLOG="/var/log/blocklist-update.log"
 MAIL_SENDER=$(whoami) #this defines a system-user without a shell or password. It's used as the e-mail sender name. You can create one like this: useradd -M -N -s /usr/sbin/nologin myuser && passwd -d myuser
 MAIL_SUBJECT="ERROR - IP blocklist script failed to download the IP set"
-if [ $MAIL" == 1 ]; then read -t 15 -p "Insert a mail to send the log. Separate with space to send to multiple recipients: " MAIL_RECIPIENTS; fi;
+if [ "$MAIL" == 1 ]; then read -t 15 -p "Insert a mail to send the log. Separate with space to send to multiple recipients: " MAIL_RECIPIENTS; fi;
 if [ ! "$MAIL_RECIPIENTS" ]; then MAIL_RECIPIENTS="$(whoami)@$HOSTNAME"; else echo "Address: " $MAIL_RECIPIENTS; fi;
 
 BLOCKLIST_FILE="/tmp/ip-blocklist.txt"