diff --git a/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c b/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
index e1da9c3af6..4313d44341 100644
--- a/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+++ b/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
@@ -2918,7 +2918,7 @@ int8_t nr_ue_process_dci_freq_dom_resource_assignment(nfapi_nr_ue_pusch_pdu_t *p
     pusch_config_pdu->rb_start = NRRIV2PRBOFFSET(riv,n_RB_ULBWP);
 
     // Sanity check in case a false or erroneous DCI is received
-    if ((pusch_config_pdu->rb_size) || (pusch_config_pdu->rb_size > n_RB_ULBWP - pusch_config_pdu->rb_start)) {
+    if ((pusch_config_pdu->rb_size < 1) || (pusch_config_pdu->rb_size > n_RB_ULBWP - pusch_config_pdu->rb_start)) {
       // DCI is invalid!
       LOG_W(MAC, "Frequency domain assignment values are invalid! #RBs: %d, Start RB: %d, n_RB_ULBWP: %d \n",pusch_config_pdu->rb_size, pusch_config_pdu->rb_start, n_RB_ULBWP);
       return -1;