diff --git a/openbsc/include/openbsc/bsc_nat.h b/openbsc/include/openbsc/bsc_nat.h
index 027b6de..309adb1 100644
--- a/openbsc/include/openbsc/bsc_nat.h
+++ b/openbsc/include/openbsc/bsc_nat.h
@@ -423,7 +423,8 @@
 void bsc_nat_send_mgcp_to_msc(struct bsc_nat *bsc_nat, struct msgb *msg);
 void bsc_nat_handle_mgcp(struct bsc_nat *bsc, struct msgb *msg);
 
-struct ctrl_handle *bsc_nat_controlif_setup(struct bsc_nat *nat, int port);
+struct ctrl_handle *bsc_nat_controlif_setup(struct bsc_nat *nat,
+					    const char *bind_addr, int port);
 void bsc_nat_ctrl_del_pending(struct bsc_cmd_list *pending);
 int bsc_nat_handle_ctrlif_msg(struct bsc_connection *bsc, struct msgb *msg);
 
diff --git a/openbsc/include/openbsc/ctrl.h b/openbsc/include/openbsc/ctrl.h
index 38fa054..c5ac210 100644
--- a/openbsc/include/openbsc/ctrl.h
+++ b/openbsc/include/openbsc/ctrl.h
@@ -1,3 +1,4 @@
 #pragma once
 
-struct ctrl_handle *bsc_controlif_setup(struct gsm_network *net, uint16_t port);
+struct ctrl_handle *bsc_controlif_setup(struct gsm_network *net,
+					const char *bind_addr, uint16_t port);
diff --git a/openbsc/include/openbsc/gprs_sgsn.h b/openbsc/include/openbsc/gprs_sgsn.h
index 74f0735..49d5407 100644
--- a/openbsc/include/openbsc/gprs_sgsn.h
+++ b/openbsc/include/openbsc/gprs_sgsn.h
@@ -315,7 +315,8 @@
  * ctrl interface related work
  */
 struct gsm_network;
-struct ctrl_handle *sgsn_controlif_setup(struct gsm_network *, uint16_t port);
+struct ctrl_handle *sgsn_controlif_setup(struct gsm_network *,
+					 const char *bind_addr, uint16_t port);
 int sgsn_ctrl_cmds_install(void);
 
 /*