diff --git a/openair1/PHY/NR_TRANSPORT/pucch_rx.c b/openair1/PHY/NR_TRANSPORT/pucch_rx.c
index 2491c24ab6..b81e655817 100644
--- a/openair1/PHY/NR_TRANSPORT/pucch_rx.c
+++ b/openair1/PHY/NR_TRANSPORT/pucch_rx.c
@@ -429,8 +429,8 @@ void nr_decode_pucch0(PHY_VARS_gNB *gNB,
     uci_pdu->harq->num_harq = 1;
     uci_pdu->harq->harq_confidence_level = no_conf ? 1 : 0;
     uci_pdu->harq->harq_list = (nfapi_nr_harq_t*)malloc(1);
-    uci_pdu->harq->harq_list[0].harq_value = index&0x01;
-    LOG_D(PHY, "[DLSCH/PDSCH/PUCCH] %d.%d HARQ value %d with confidence level (0 is good, 1 is bad) %d xrt_mag %d xrt_mag_next %d n0 %d (%d,%d) pucch0_thres %d, cqi %d, SNRtimes10 %d, energy %f, sync_pos %d\n",
+    uci_pdu->harq->harq_list[0].harq_value = !(index&0x01);
+    LOG_D(PHY, "[DLSCH/PDSCH/PUCCH] %d.%d HARQ value %d (0 pass, 1 fail) with confidence level %d (0 is good, 1 is bad) xrt_mag %d xrt_mag_next %d n0 %d (%d,%d) pucch0_thres %d, cqi %d, SNRtimes10 %d, energy %f, sync_pos %d\n",
           frame,slot,uci_pdu->harq->harq_list[0].harq_value,uci_pdu->harq->harq_confidence_level,xrtmag_dBtimes10,xrtmag_next_dBtimes10,max_n0,uci_stats->pucch0_n00,uci_stats->pucch0_n01,uci_stats->pucch0_thres,cqi,SNRtimes10,10*log10((double)sigenergy),gNB->ulsch_stats[0].sync_pos);
     if (pucch_pdu->sr_flag == 1) {
       uci_pdu->sr = calloc(1,sizeof(*uci_pdu->sr));
@@ -445,9 +445,9 @@ void nr_decode_pucch0(PHY_VARS_gNB *gNB,
     uci_pdu->harq->num_harq = 2;
     uci_pdu->harq->harq_confidence_level = (no_conf) ? 1 : 0;
     uci_pdu->harq->harq_list = (nfapi_nr_harq_t*)malloc(2);
-    uci_pdu->harq->harq_list[1].harq_value = index&0x01;
-    uci_pdu->harq->harq_list[0].harq_value = (index>>1)&0x01;
-    LOG_D(PHY, "[DLSCH/PDSCH/PUCCH] %d.%d HARQ values %d and %d with confidence level (0 is good, 1 is bad) %d, xrt_mag %d xrt_mag_next %d n0 %d (%d,%d) pucch0_thres %d, cqi %d, SNRtimes10 %d,sync_pos %d\n",
+    uci_pdu->harq->harq_list[1].harq_value = !(index&0x01);
+    uci_pdu->harq->harq_list[0].harq_value = !((index>>1)&0x01);
+    LOG_D(PHY, "[DLSCH/PDSCH/PUCCH] %d.%d HARQ values %d (0 pass, 1 fail) and %d with confidence level %d (0 is good, 1 is bad), xrt_mag %d xrt_mag_next %d n0 %d (%d,%d) pucch0_thres %d, cqi %d, SNRtimes10 %d,sync_pos %d\n",
           frame,slot,uci_pdu->harq->harq_list[1].harq_value,uci_pdu->harq->harq_list[0].harq_value,uci_pdu->harq->harq_confidence_level,xrtmag_dBtimes10,xrtmag_next_dBtimes10,max_n0,uci_stats->pucch0_n00,uci_stats->pucch0_n01,uci_stats->pucch0_thres,cqi,SNRtimes10,gNB->ulsch_stats[0].sync_pos);
     if (pucch_pdu->sr_flag == 1) {
       uci_pdu->sr = calloc(1,sizeof(*uci_pdu->sr));
diff --git a/openair1/SIMULATION/NR_PHY/pucchsim.c b/openair1/SIMULATION/NR_PHY/pucchsim.c
index 0aed6d9780..213924e5fd 100644
--- a/openair1/SIMULATION/NR_PHY/pucchsim.c
+++ b/openair1/SIMULATION/NR_PHY/pucchsim.c
@@ -662,14 +662,19 @@ int main(int argc, char **argv)
           if (uci_pdu.sr->sr_indication == 0 || uci_pdu.sr->sr_confidence_level == 1)
             sr_errors+=1;
         }
+        // harq value 0 -> pass
+        // confidence value 0 -> good confidence
+        const int harq_value0 = uci_pdu.harq->harq_list[0].harq_value;
+        const int harq_value1 = uci_pdu.harq->harq_list[1].harq_value;
+        const int confidence_lvl = uci_pdu.harq->harq_confidence_level;
         if(nr_bit>0){
           if (nr_bit==1 && do_DTX == 0)
-            ack_nack_errors+=(actual_payload^uci_pdu.harq->harq_list[0].harq_value);
+            ack_nack_errors+=(actual_payload^(!harq_value0));
           else if (do_DTX == 0)
-            ack_nack_errors+=(((actual_payload&1)^uci_pdu.harq->harq_list[0].harq_value)+((actual_payload>>1)^uci_pdu.harq->harq_list[1].harq_value));
-          else if ((uci_pdu.harq->harq_confidence_level == 0 && uci_pdu.harq->harq_list[0].harq_value == 1) ||
-                         (uci_pdu.harq->harq_confidence_level == 0 && nr_bit == 2 && uci_pdu.harq->harq_list[1].harq_value==1))
-                  ack_nack_errors++;
+            ack_nack_errors+=(((actual_payload&1)^(!harq_value0))+((actual_payload>>1)^(!harq_value1)));
+          else if ((!confidence_lvl && !harq_value0) ||
+                   (!confidence_lvl && nr_bit == 2 && !harq_value1))
+            ack_nack_errors++;
           free(uci_pdu.harq->harq_list);
         }
       }
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
index 3a359552da..c8a49a2243 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
@@ -1099,7 +1099,7 @@ void handle_nr_uci_pucch_0_1(module_id_t mod_id,
       DevAssert(harq->is_waiting);
       const int8_t pid = sched_ctrl->feedback_dl_harq.head;
       remove_front_nr_list(&sched_ctrl->feedback_dl_harq);
-      handle_dl_harq(mod_id, UE_id, pid, harq_value == 1 && harq_confidence == 0);
+      handle_dl_harq(mod_id, UE_id, pid, harq_value == 0 && harq_confidence == 0);
       if (harq_confidence == 1)  UE_info->mac_stats[UE_id].pucch0_DTX++;
     }
   }