diff --git a/ssl-cert-check b/ssl-cert-check
index da4ec95..03819ef 100755
--- a/ssl-cert-check
+++ b/ssl-cert-check
@@ -785,7 +785,7 @@ check_file_status() {
 
     elif [ "${CERTDIFF}" -lt "${WARNDAYS}" ]; then
         if [ "${ALARM}" = "TRUE" ]; then
-            send_mail "${SENDER}" "${ADMIN}" "Certificate for ${HOST} \"(CN: ${COMMONNAME})\" will expire in ${CERTDIFF}-days or less" \
+            send_mail "${SENDER}" "${ADMIN}" "Certificate for ${HOST} \"(CN: ${COMMONNAME})\" will expire in ${CERTDIFF} days or less" \
                 "The SSL certificate for ${HOST} \"(CN: ${COMMONNAME})\" will expire on ${CERTDATE}"
         fi
         prints "${HOST}" "${PORT}" "Expiring" "${CERTDATE}" "${CERTDIFF}" "${CERTISSUER}" "${COMMONNAME}" "${SERIAL}"