1 files changed, 5 insertions, 0 deletions
diff --git a/monitor.c b/monitor.c
index e71a141dd1..2ff1e0b4d6 100644
--- a/monitor.c
+++ b/monitor.c
@@ -879,6 +879,11 @@ static int client_migrate_info(Monitor *mon, const QDict *qdict,
             return -1;
         }
 
+        if (port == -1 && tls_port == -1) {
+            qerror_report(QERR_MISSING_PARAMETER, "port/tls-port");
+            return -1;
+        }
+
         ret = qemu_spice_migrate_info(hostname, port, tls_port, subject,
                                       cb, opaque);
         if (ret != 0) {