diff --git a/lib/fko.h b/lib/fko.h
index 4910b17..14dcc8c 100644
--- a/lib/fko.h
+++ b/lib/fko.h
@@ -54,7 +54,7 @@ extern "C" {
 
 /* General params
 */
-#define FKO_PROTOCOL_VERSION "2.0.2" /* The fwknop protocol version */
+#define FKO_PROTOCOL_VERSION "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" /* The fwknop protocol version */
 
 /* Supported FKO Message types...
 */
