diff --git a/include/osmo-bts/measurement.h b/include/osmo-bts/measurement.h
index 2037ff6bd..2efe40f72 100644
--- a/include/osmo-bts/measurement.h
+++ b/include/osmo-bts/measurement.h
@@ -5,4 +5,6 @@ int lchan_new_ul_meas(struct gsm_lchan *lchan, struct bts_ul_meas *ulm);
 
 int trx_meas_check_compute(struct gsm_bts_trx *trx, uint32_t fn);
 
+int lchan_meas_check_compute(struct gsm_lchan *lchan, uint32_t fn);
+
 #endif
diff --git a/src/common/measurement.c b/src/common/measurement.c
index 6b06138d9..260304afa 100644
--- a/src/common/measurement.c
+++ b/src/common/measurement.c
@@ -191,7 +191,7 @@ static uint8_t ber10k_to_rxqual(uint32_t ber10k)
 	return 7;
 }
 
-static int lchan_meas_check_compute(struct gsm_lchan *lchan, uint32_t fn)
+int lchan_meas_check_compute(struct gsm_lchan *lchan, uint32_t fn)
 {
 	struct gsm_meas_rep_unidir *mru;
 	uint32_t ber_full_sum = 0;