diff --git a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
index 1b309438b8..9391067607 100644
--- a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+++ b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
@@ -2227,6 +2227,8 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,
 
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_UE_TX,VCD_FUNCTION_IN);
 
+  memset(ue->common_vars.txdataF[0], 0, sizeof(int)*14*ue->frame_parms.ofdm_symbol_size);
+
   LOG_I(PHY,"****** start TX-Chain for AbsSubframe %d.%d ******\n", frame_tx, slot_tx);
 
 #if UE_TIMING_TRACE