diff --git a/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c b/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
index 71bb875af4..da7207f7ed 100644
--- a/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+++ b/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
@@ -4083,7 +4083,7 @@ int nr_ue_process_rar(nr_downlink_indication_t *dl_info, int pdu_id)
     // MCS
     rar_grant.mcs = (unsigned char) (rar->UL_GRANT_4 >> 4);
     // time alloc
-    rar_grant.Msg3_t_alloc = (unsigned char) (rar->UL_GRANT_3 & 0x07);
+    rar_grant.Msg3_t_alloc = (unsigned char) (rar->UL_GRANT_3 & 0x0f);
     // frequency alloc
     rar_grant.Msg3_f_alloc = (uint16_t) ((rar->UL_GRANT_3 >> 4) | (rar->UL_GRANT_2 << 4) | ((rar->UL_GRANT_1 & 0x03) << 12));
     // frequency hopping