diff --git a/stand/common/misc.c b/stand/common/misc.c
--- a/stand/common/misc.c
+++ b/stand/common/misc.c
@@ -220,3 +220,11 @@
 	env_setenv("loaddev", EV_VOLATILE | EV_NOHOOK, devname, env_noset,
 	    env_nounset);
 }
+
+#ifndef LOADER_NET_SUPPORT
+bool
+is_tftp(void)
+{
+    return false;
+}
+#endif