diff --git a/src/libgtpnl.map b/src/libgtpnl.map
index 1237e69..41b7dd7 100644
--- a/src/libgtpnl.map
+++ b/src/libgtpnl.map
@@ -43,3 +43,7 @@
   gtp_tunnel_set_ms_ip6;
   gtp_tunnel_set_sgsn_ip6;
 } LIBGTPNL_1.0;
+
+LIBGTPNL_1.2 {
+  gtp_tunnel_set_family;
+} LIBGTPNL_1.1;