diff --git a/openair2/PHY_INTERFACE/phy_stub_UE.c b/openair2/PHY_INTERFACE/phy_stub_UE.c
index 1b56a64fac..73dbdcb319 100644
--- a/openair2/PHY_INTERFACE/phy_stub_UE.c
+++ b/openair2/PHY_INTERFACE/phy_stub_UE.c
@@ -99,7 +99,8 @@ void fill_rx_indication_UE_MAC(module_id_t Mod_id,
   // ulsch_buffer is necessary to keep its value.
   pdu->data = malloc(buflen);
   memcpy(pdu->data, ulsch_buffer, buflen);
-  LOG_I(MAC, "buflen of rx_ind pdu_data = %u\n", buflen);
+  LOG_I(MAC, "buflen of rx_ind pdu_data = %u SFN.SF: %d.%d\n", buflen,
+        frame, subframe);
   // estimate timing advance for MAC
   timing_advance_update = 0; // Don't know what to put here
   pdu->rx_indication_rel8.timing_advance = timing_advance_update;