1 files changed, 6 insertions, 0 deletions

diff --git a/ssh-keyscan.c b/ssh-keyscan.c
index faeb9e13e..086c0d345 100644
--- a/ssh-keyscan.c
+++ b/ssh-keyscan.c
@@ -807,11 +807,17 @@ main(int argc, char **argv)
                         IPv4or6 = AF_INET6;
                         break;
                 case 'V':
+#ifdef USE_ROUTINGDOMAIN
                         scan_rdomain = a2rdomain(optarg);
                         if (scan_rdomain == -1) {
                                 fprintf(stderr, "Bad rdomain '%s'\n", optarg);
                                 exit(1);
                         }
+#else
+                        fprintf(stderr, "RoutingDomain not supported on this "
+                           "platform.\n");
+                        exit(1);
+#endif
                         break;
                 case '?':
                 default: