diff --git a/dsmon.sh b/dsmon.sh
index 1630a4e..707f1b8 100755
--- a/dsmon.sh
+++ b/dsmon.sh
@@ -298,7 +298,7 @@ RUN_CHECK(){
 		unset DRIVEINFO_TOT DRIVEINFO_FREE DRIVEINFO_FREEPER DRIVEINFO_SHORTNAME DRIVES DRIVEINFO host_limits_tmp
 		
 		maillogsize=$(ssh -o BatchMode=yes -o ConnectTimeout=3 root@${host_ip[$hostid]} du -hs /var/log/mail.log | cut -d'/' -f 1)
-		if  [[ "${maillogsize//[[:blank:]]/}" = *'K'* ]]; then
+		if  [[ "${maillogsize//[[:blank:]]/}" = *'M'* ]]; then
 			if [ ! -f /tmp/dsmon.mail-log.${host_ip[$hostid]}.errorsent ] || ([ -f /tmp/dsmon.mail-log.${host_ip[$hostid]}.errorsent ] && [ $(expr $(date +%s) - $(stat -c %Y /tmp/dsmon.mail-log.${host_ip[$hostid]}.errorsent)) -gt 3600 ]); then
 				SENDNOTICE "Mail Log Getting Big" "Mail log getting big (${maillogsize//[[:blank:]]/}) on ${hostname} [${host_ip[$hostid]}]" 1
 				touch /tmp/dsmon.mail-log.${host_ip[$hostid]}.errorsent