diff --git a/ip/xfrm_stub.c b/ip/xfrm_stub.c
index e69de29b..4b88a4a6 100644
--- a/ip/xfrm_stub.c
+++ b/ip/xfrm_stub.c
@@ -0,0 +1,11 @@
+/*
+ * Minimal stub used to build against older kernels with xfrm
+ */
+#include <stdio.h>
+#include <stdlib.h>
+
+int do_xfrm(int arg, char **argv)
+{
+	fprintf(stderr, "This version of built without xfrm support\n");
+	exit(1);
+}