1 files changed, 3 insertions, 2 deletions

diff --git a/plugins/check_smtp.c b/plugins/check_smtp.c
index 4ceb9565..3990ad82 100644
--- a/plugins/check_smtp.c
+++ b/plugins/check_smtp.c
@@ -505,6 +505,7 @@ process_arguments (int argc, char **argv)
                 {"help", no_argument, 0, 'h'},
                 {"lmtp", no_argument, 0, 'L'},
                 {"ssl", no_argument, 0, 's'},
+                {"tls", no_argument, 0, 's'},
                 {"starttls",no_argument,0,'S'},
                 {"sni", no_argument, 0, SNI_OPTION},
                 {"certificate",required_argument,0,'D'},
@@ -715,7 +716,7 @@ process_arguments (int argc, char **argv)
                 from_arg = strdup(" ");
 
         if (use_starttls && use_ssl) {
-                usage4 (_("Set either -s/--ssl or -S/--starttls"));
+                usage4 (_("Set either -s/--ssl/--tls or -S/--starttls"));
         }
 
         return validate_arguments ();
@@ -875,7 +876,7 @@ print_help (void)
 #ifdef HAVE_SSL
   printf (" %s\n", "-D, --certificate=INTEGER[,INTEGER]");
   printf ("    %s\n", _("Minimum number of days a certificate has to be valid."));
-  printf (" %s\n", "-s, --ssl");
+  printf (" %s\n", "-s, --ssl, --tls");
   printf ("    %s\n", _("Use SSL/TLS for the connection."));
   printf (_("    Sets default port to %d.\n"), SMTPS_PORT);
   printf (" %s\n", "-S, --starttls");