diff --git a/src/gb/libosmogb.map b/src/gb/libosmogb.map
index d65819b..7af085c 100644
--- a/src/gb/libosmogb.map
+++ b/src/gb/libosmogb.map
@@ -38,6 +38,7 @@
 
 gprs_ns_cause_str;
 gprs_ns_destroy;
+gprs_ns_close;
 gprs_ns_frgre_listen;
 gprs_ns_frgre_sendmsg;
 gprs_ns_instantiate;