diff --git a/nodemgmt-scripts.sh b/nodemgmt-scripts.sh
index 3f3130da..4055f43c 100755
--- a/nodemgmt-scripts.sh
+++ b/nodemgmt-scripts.sh
@@ -89,7 +89,7 @@ LISTCERTS(){
 		SUBJECT=$(openssl x509 -in ${certdir}/cert.pem -noout -subject|grep -oP '(?<=CN = )[^,]+'|sort -uV)
 		SUBJECTNAMES=$(openssl x509 -in ${certdir}/cert.pem -noout -text|grep -oP '(?<=DNS:|IP Address:)[^,]+'|sort -uV)
 		#SUBJECTNAMES=${SUBJECTNAMES//$'\n'/,}
-		SUBJECTNAMES=$(echo $SUBJECTNAMES | sed "s/\n/,/g")
+		SUBJECTNAMES=$(echo $SUBJECTNAMES | sed 's/\n/,/g')
 		
 		SUBJECTNAMES=$(echo $SUBJECTNAMES | sed "s/${SUBJECT},//g")
 		SUBJECTNAMES=$(echo $SUBJECTNAMES | sed "s/,${SUBJECT}//g")