diff --git a/include/osmocom/vty/telnet_interface.h b/include/osmocom/vty/telnet_interface.h
index 2de4f19..65a1dd9 100644
--- a/include/osmocom/vty/telnet_interface.h
+++ b/include/osmocom/vty/telnet_interface.h
@@ -47,6 +47,7 @@
 };
 
 int telnet_init(void *tall_ctx, void *priv, int port);
+int telnet_init_dynif(void *tall_ctx, void *priv, const char *ip, int port);
 
 void telnet_exit(void);