diff --git a/src/gb/libosmogb.map b/src/gb/libosmogb.map
index 21929da..5e675a6 100644
--- a/src/gb/libosmogb.map
+++ b/src/gb/libosmogb.map
@@ -65,6 +65,7 @@
 gprs_ns_vty_init;
 gprs_ns_ll_str;
 gprs_ns_ll_str_buf;
+gprs_ns_ll_str_c;
 gprs_ns_ll_copy;
 gprs_ns_ll_clear;
 gprs_ns_msgb_alloc;