diff --git a/net/net.c b/net/net.c
index efb9eaf..2a31339 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1093,7 +1093,9 @@
     int ret = -1;
     Visitor *v = opts_visitor_new(opts);
 
-    if (is_netdev && is_help_option(qemu_opt_get(opts, "type"))) {
+    const char *type = qemu_opt_get(opts, "type");
+
+    if (is_netdev && type && is_help_option(type)) {
         show_netdevs();
         exit(0);
     } else {