diff --git a/include/osmocom/gsm/prim.h b/include/osmocom/gsm/prim.h
index 95cbb12..5beb200 100644
--- a/include/osmocom/gsm/prim.h
+++ b/include/osmocom/gsm/prim.h
@@ -8,6 +8,11 @@
 	SAP_GSM_PH	= _SAP_GSM_BASE,
 	SAP_GSM_DL,
 	SAP_GSM_MDL,
+
+	SAP_BSSGP_GMM,
+	SAP_BSSGP_LL,
+	SAP_BSSGP_NM,
+	SAP_BSSGP_PFM,
 };
 
 #endif