diff --git a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
index 61f63a86a3..9b1b595608 100644
--- a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
+++ b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
@@ -1981,10 +1981,10 @@ uint32_t to_nrarfcn(int nr_bandP,
         "Band %d, bw %u : DL carrier frequency %llu kHz < %llu\n",
 	      nr_bandP, bw, (long long unsigned int)dl_CarrierFreq_by_1k,
 	      (long long unsigned int)nr_bandtable[i].dl_min);
-  AssertFatal(dl_CarrierFreq_by_1k <= (nr_bandtable[i].dl_max - bw_kHz),
+  AssertFatal(dl_CarrierFreq_by_1k <= (nr_bandtable[i].dl_max - bw_kHz/2),
         "Band %d, dl_CarrierFreq %llu bw %u: DL carrier frequency %llu kHz > %llu\n",
 	      nr_bandP, (long long unsigned int)dl_CarrierFreq,bw, (long long unsigned int)dl_CarrierFreq_by_1k,
-	      (long long unsigned int)(nr_bandtable[i].dl_max - bw_kHz));
+	      (long long unsigned int)(nr_bandtable[i].dl_max - bw_kHz/2));
  
   int deltaFglobal = 60;
   uint32_t N_REF_Offs = 2016667;
diff --git a/openair2/LAYER2/NR_MAC_gNB/config.c b/openair2/LAYER2/NR_MAC_gNB/config.c
index 5d17f1fe61..ee71f8ac03 100644
--- a/openair2/LAYER2/NR_MAC_gNB/config.c
+++ b/openair2/LAYER2/NR_MAC_gNB/config.c
@@ -354,7 +354,11 @@ void config_common(int Mod_idP, int ssb_SubcarrierOffset, rrc_pdsch_AntennaPorts
     ssb_SubcarrierOffset_limit = 12;
   if (ssb_SubcarrierOffset<ssb_SubcarrierOffset_limit)
     AssertFatal(sco==(scs_scaling * ssb_SubcarrierOffset),
-                "absoluteFrequencySSB has a subcarrier offset of %d while it should be %d\n",sco/scs_scaling,ssb_SubcarrierOffset);
+                "absoluteFrequencySSB has a subcarrier offset of %d/%d while it should be %d (%lu,%lu,%lu)\n",
+                sco,scs_scaling,ssb_SubcarrierOffset,
+                *scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB,
+                scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA,
+                absolute_diff);
   cfg->ssb_table.ssb_offset_point_a.value = absolute_diff/(12*scs_scaling) - 10; //absoluteFrequencySSB is the central frequency of SSB which is made by 20RBs in total
   cfg->ssb_table.ssb_offset_point_a.tl.tag = NFAPI_NR_CONFIG_SSB_OFFSET_POINT_A_TAG;
   cfg->num_tlv++;