diff --git a/src/option.c b/src/option.c
index eb5f413..9b128cf 100644
--- a/src/option.c
+++ b/src/option.c
@@ -1571,6 +1571,8 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
 	break;
       }
       
+
+#ifdef HAVE_AUTH
     case LOPT_AUTHSERV: /* --auth-server */
       if (!(comma = split(arg)))
 	ret_err(gen_err);
@@ -1693,6 +1695,7 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
 	}
 
       break;
+#endif
 
     case 's':         /* --domain */
     case LOPT_SYNTH:  /* --synth-domain */