diff --git a/inc/certs.inc b/inc/certs.inc
index 11dba31a..4bbb7218 100755
--- a/inc/certs.inc
+++ b/inc/certs.inc
@@ -281,7 +281,7 @@ LISTCERTS(){
 		elif [ ${#SUBJECT_NAMES[@]} -lt 7 ]; then
 			echo -e "${len}${idsCL[Cyan]}${SUBJECT}${idsCL[Default]}${spc}${monitored}     ${date}    ${SUBJECT_NAMES[0]}, ${SUBJECT_NAMES[1]}, ${SUBJECT_NAMES[2]}"
 			echo -e "${spc2}                      "
-			for sn in 3...5; do
+			for sn in {3..5}; do
 				if [ "${SUBJECT_NAMES[${sn}]}" != "" ]; then
 					echo -e ${SUBJECT_NAMES[${sn}]}
 					[ ${sn} -ne 5 ] && echo -e ", "