diff --git a/src/gprs_rlcmac_meas.cpp b/src/gprs_rlcmac_meas.cpp
index f6448d5..9ff06db 100644
--- a/src/gprs_rlcmac_meas.cpp
+++ b/src/gprs_rlcmac_meas.cpp
@@ -131,6 +131,7 @@
 	tbf->m_bw.dl_loss_received += received;
 	tbf->m_bw.dl_loss_lost += lost;
 
+	osmo_clock_gettime(CLOCK_MONOTONIC, &now_tv);
 	timespecsub(&now_tv, loss_tv, &elapsed);
 	if (elapsed.tv_sec < 1)
 		return 0;