diff --git a/src/libmsc/msc_vty.c b/src/libmsc/msc_vty.c
index c1c9f6b..82608c6 100644
--- a/src/libmsc/msc_vty.c
+++ b/src/libmsc/msc_vty.c
@@ -209,6 +209,6 @@
 
 	mgcp_client_vty_init(msc_network, MSC_NODE, &msc_network->mgw.conf);
 #ifdef BUILD_IU
-	ranap_iu_vty_init(MSC_NODE, &msc_network->iu.rab_assign_addr_enc);
+	ranap_iu_vty_init(MSC_NODE, (enum ranap_nsap_addr_enc*)&msc_network->iu.rab_assign_addr_enc);
 #endif
 }