diff --git a/etc/icinga2/scripts/mail-notification.sh b/etc/icinga2/scripts/mail-notification.sh
index e84e7d14c..7dfb95607 100755
--- a/etc/icinga2/scripts/mail-notification.sh
+++ b/etc/icinga2/scripts/mail-notification.sh
@@ -17,5 +17,5 @@ Comment: [$NOTIFICATIONAUTHORNAME] $NOTIFICATIONCOMMENT
 TEMPLATE
 )
 
-/usr/bin/printf "%b" $template | mail -s "$NOTIFICATIONTYPE - $HOSTDISPLAYNAME - $SERVICEDISPLAYNAME is $SERVICESTATE" $USEREMAIL
+/usr/bin/printf "%b" "$template" | mail -s "$NOTIFICATIONTYPE - $HOSTDISPLAYNAME - $SERVICEDISPLAYNAME is $SERVICESTATE" $USEREMAIL