diff --git a/include/osmocom/hlr/db.h b/include/osmocom/hlr/db.h
index eacc78e..c927099 100644
--- a/include/osmocom/hlr/db.h
+++ b/include/osmocom/hlr/db.h
@@ -66,7 +66,7 @@
 int db_get_auc(struct db_context *dbc, const char *imsi,
 	       unsigned int auc_3g_ind, struct osmo_auth_vector *vec,
 	       unsigned int num_vec, const uint8_t *rand_auts,
-	       const uint8_t *auts);
+	       const uint8_t *auts, bool separation_bit);
 
 #include <osmocom/core/linuxlist.h>
 #include <osmocom/gsm/protocol/gsm_23_003.h>