diff --git a/include/osmocom/msc/transaction_cc.h b/include/osmocom/msc/transaction_cc.h
index c16d9c1..963cb45 100644
--- a/include/osmocom/msc/transaction_cc.h
+++ b/include/osmocom/msc/transaction_cc.h
@@ -33,6 +33,7 @@
 void trans_cc_filter_init(struct gsm_trans *trans);
 void trans_cc_filter_set_ran(struct gsm_trans *trans, enum osmo_rat_type ran_type);
 void trans_cc_filter_set_bss(struct gsm_trans *trans, struct msc_a *msc_a);
-void trans_cc_filter_run(struct gsm_trans *trans);
+#define trans_cc_filter_run(TRANS_CC) _trans_cc_filter_run(__FILE__, __LINE__, TRANS_CC)
+void _trans_cc_filter_run(const char *file, int line, struct gsm_trans *trans);
 void trans_cc_filter_set_ms_from_bc(struct gsm_trans *trans, const struct gsm_mncc_bearer_cap *bcap);
 void trans_cc_set_remote_from_bc(struct gsm_trans *trans, const struct gsm_mncc_bearer_cap *bcap);