diff --git a/openbsc/src/ipaccess-config.c b/openbsc/src/ipaccess-config.c
index b74e46e..cc8a6c9 100644
--- a/openbsc/src/ipaccess-config.c
+++ b/openbsc/src/ipaccess-config.c
@@ -170,7 +170,7 @@
 		exit(2);
 	}
 
-	gsmnet = gsm_network_init( 1, GSM_BTS_TYPE_NANOBTS_900, 1, 1);
+	gsmnet = gsm_network_init(1, GSM_BTS_TYPE_NANOBTS_900, 1, 1, NULL);
 	if (!gsmnet)
 		exit(1);