diff --git a/src/gb/libosmogb.map b/src/gb/libosmogb.map
index 2ad3ff7..21929da 100644
--- a/src/gb/libosmogb.map
+++ b/src/gb/libosmogb.map
@@ -64,6 +64,7 @@
 gprs_ns_tx_unblock;
 gprs_ns_vty_init;
 gprs_ns_ll_str;
+gprs_ns_ll_str_buf;
 gprs_ns_ll_copy;
 gprs_ns_ll_clear;
 gprs_ns_msgb_alloc;