diff --git a/src/gb/libosmogb.map b/src/gb/libosmogb.map
index a21a7ac..43ebbf8 100644
--- a/src/gb/libosmogb.map
+++ b/src/gb/libosmogb.map
@@ -57,6 +57,7 @@
 gprs_ns_ll_str;
 gprs_ns_ll_copy;
 gprs_ns_ll_clear;
+gprs_ns_msgb_alloc;
 
 gprs_nsvc_create;
 gprs_nsvc_delete;