diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 3e7333c..a3d224f 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -356,5 +356,8 @@
 osmo_gsup_encode;
 osmo_gsup_decode;
 
+osmo_oap_encode;
+osmo_oap_decode;
+
 local: *;
 };